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International Conference on Indoor Positioning and Indoor Navigation (IPIN)

作者： Satoki Ogiso Takuji Kawagishi Koichi Mizutani Naoto Wakatsuki Keiichi Zempo Ph.D. Program in Empowerment Inforamatics University of Tsukuba Japan Graduate School of Systems and Information Engineering University of Tsukuba Japan Faculty of Engineering Information and Systems University of Tsukuba Japan

ISBN: (纸本)9781509024261

In this paper, signals for acoustic beacons with M sequence are evaluated with various parameters for self-localization of mobile robot. The effect of (i) baud rate, (ii) carrier frequency and (iii) order of M sequence on DOA estimation error and localization error are evaluated by computer simulation. As a result, localization is possible with same class or more precision compared to the result from sound beacon with three chirp signals within 5 kHz-18 kHz by choosing the appropriate parameters, which are (i)baud rate is more than around 8 kHz and (ii)carrier frequency is 10 kHz. Particularly, (i) baud rate and (ii) carrier frequency have influence on the localization error. However, the localization error do not change into even a further baud rate in this condition if baud rate is higher than carrier frequency. In this simulation, no influence is confirmed from (iii)order of M sequence. The result indicates that M sequence can be used as signal of acoustic beacons instead of chirp, which occupies frequency band.

关键词： Direction-of-arrival estimation Acoustics Microphone arrays Mobile robots Sensors

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Author Correction: GLORIA - A globally representative hyperspectral in situ dataset for optical sensing of water quality

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Scientific data 2023年第1期10卷 191页

作者： Moritz K Lehmann Daniela Gurlin Nima Pahlevan Krista Alikas Ted Conroy Janet Anstee Sundarabalan V Balasubramanian Cláudio C F Barbosa Caren Binding Astrid Bracher Mariano Bresciani Ashley Burtner Zhigang Cao Arnold G Dekker Courtney Di Vittorio Nathan Drayson Reagan M Errera Virginia Fernandez Dariusz Ficek Cédric G Fichot Peter Gege Claudia Giardino Anatoly A Gitelson Steven R Greb Hayden Henderson Hiroto Higa Abolfazl Irani Rahaghi Cédric Jamet Dalin Jiang Thomas Jordan Kersti Kangro Jeremy A Kravitz Arne S Kristoffersen Raphael Kudela Lin Li Martin Ligi Hubert Loisel Steven Lohrenz Ronghua Ma Daniel A Maciel Tim J Malthus Bunkei Matsushita Mark Matthews Camille Minaudo Deepak R Mishra Sachidananda Mishra Tim Moore Wesley J Moses Hà Nguyễn Evlyn M L M Novo Stéfani Novoa Daniel Odermatt David M O'Donnell Leif G Olmanson Michael Ondrusek Natascha Oppelt Sylvain Ouillon Waterloo Pereira Filho Stefan Plattner Antonio Ruiz Verdú Salem I Salem John F Schalles Stefan G H Simis Eko Siswanto Brandon Smith Ian Somlai-Schweiger Mariana A Soppa Evangelos Spyrakos Elinor Tessin Hendrik J van der Woerd Andrea Vander Woude Ryan A Vandermeulen Vincent Vantrepotte Marcel R Wernand Mortimer Werther Kyana Young Linwei Yue Xerra Earth Observation Institute PO Box 400 Alexandra 9340 New Zealand. moritz.lehmann@***. School of Science University of Waikato Private Bag 3105 Hamilton 3240 New Zealand. moritz.lehmann@***. Wisconsin Department of Natural Resources Bureau of Water Quality 101 S Webster Street Madison WI 53707 USA. Science Systems and Applications Inc. (SSAI) Lanham MD USA. NASA Goddard Space Flight Center Greenbelt MD USA. Tartu Observatory of the University of Tartu Tartumaa 61602 Estonia. School of Science University of Waikato Private Bag 3105 Hamilton 3240 New Zealand. Coasts and Oceans Systems Program (COS) CSIRO Environment Business Unit Acton ACT 2601 Australia. GeoSensing and Imaging Consultancy Trivandrum Kerala India. Instrumentation Lab for Aquatic Systems (LabISA) National Institute for Space Research (INPE) São José dos Campos Brazil. Environment and Climate Change Canada Burlington ON Canada. Phytooptics Group Physical Oceanography of Polar Seas Climate Sciences Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research Bremerhaven Germany. Department of Physics and Electrical Engineering Institute of Environmental Physics University of Bremen Bremen Germany. National Research Council of Italy Institute for Electromagnetic Sensing of the Environment CNR-IREA Milano Italy. Cooperative Institute for Great Lakes Research University of Michigan 4840 South State Road Ann Arbor MI 48108 USA. Nanjing Institute of Geography and Limnology Chinese Academy of Sciences Nanjing 210008 China. SatDek Pty Ltd 99 Read Rd Sutton NSW 2620 Australia. Wake Forest University Engineering 455 Vine Street Winston-Salem NC 27101 USA. NOAA Great Lakes Environmental Research Laboratory Ann Arbor MI USA. Department of Geography Universidad de la República Montevideo Uruguay. Institute of Biology and Earth Sciences Pomeranian University Arciszewskiego 22 76-200 Slupsk Poland. Department of Earth and Environment Boston University Boston

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3-6 SHV transmission experiments

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Journal of the National Institute of information and Communications Technology 2017年第2期64卷 119-125页

作者： Kojima, Masaaki Suzuki, Yoichi Kawamua, Yuki Nakazawa, Susumu Aoki, Shuichi Nagasaka, Masafumi Matsusaki, Yoshifumi Koizumi, Yuki Kamei, Masashi Otsuki, Kazuhiro Tanaka, Shoji Saito, Tomohiro Sujikai, Hisashi Kimura, Takeshi Hashimoto, Akinori Shogen, Kazuyoshi Tsuchida, Kenichi Saito, Kyoichi Nakamura, Naoyoshi Advanced Transmission Systems Research Division Science and Technology Research Laboratories NHK Satellite transmission Japan Advanced Transmission Systems Research Division Science and Technology Research Laboratories NHK Multimedia information system Japan Advanced Transmission Systems Research Division Science and Technology Research Laboratories NHK Media transport technologies IP Network Japan Advanced Transmission Systems Research Division Science and Technology Research Laboratories NHK Wireless links for Program Japan Japan Telecommunications Engineering and Consulting Service Satellite broadcasting Japan Advanced Transmission Systems Research Division Science and Technology Research Laboratories NHK Multiplexing scheme Japan Advanced Transmission Systems Research Division Science and Technology Research Laboratories NHK Antennas for satellite broadcasting Japan Science and Technology Research Laboratories NHK Satellite and Terrestrial transmission Japan Broadcasting Network Planning Division Transmission and Reception Engineering Center Engineering Administration Department NHK Transmission systems for broadcasting Japan Broadcasting satellite system Radio transmission technology Japan Advanced Transmission Systems Research Division Science and Technology Research Laboratories NHK Digital terrestrial broadcasting system Japan Media Planning Bureau NHK Optical transmission Japan

NHK has been studying "4K/8K Super Hi-Vision (ultra high definition) TV" as next generation TV system and aimed to achieve the 4K/8K broadcasting services for satellite. In this paper, we report experimental results of the demonstrations and performance evaluations for 8K multi-channels and functional verifications for transmission systems. © 2017 National Institute of information and Communications Technology. All rights reserved.

关键词： Broadcasting

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A sum of a large number of Z-numbers

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Procedia Computer Science 2017年 120卷 16-22页

作者： R.A. Aliev O.H. Huseynov R.R. Aliyev Joint MBA Program Azerbaijan State Oil and Industry University Azerbaijan Georgia State University USA Baku 20 Azadlig Ave. AZ1010 Azerbaijan Department of Information Systems Engineering Near East University Lefkosa North Cyprus Department of Intelligent Control and Decision Making Systems in Industry and Economics Azerbaijan State Oil and Industry University 20 Azadlig Ave. Baku AZ1010 Azerbaijan Eastern Mediterranean University Department of Mathematics Gazimagusa Turkish Republic of Northern Cyprus via Mersin 10 Turkey

A concept of Z-number was introduced by Prof. Zadeh as a formal construct to describe imprecision and partial reliability of real-world information. Computation with Z-numbers inherits an important problem of fuzzy arithmetic – increase of entropy that damages informativeness of results. This becomes especially important for computation with a large number of Z-numbers which takes place in many practical problems of decision analysis. In this paper we propose an approach to compute a sum of a large number of Z-numbers with a predefined level of informativeness of a result. An example is used to show validity of the approach.

关键词： Z-number partial reliability informativeness measure of specificity fuzzy arithmetic RDM arithmetic

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A framework of Thailand higher education dashboard system

A framework of Thailand higher education dashboard system

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International Computer Science and engineering Conference (ICSEC)

作者： Nuansri Denwattana Apisit Saengsai Software engineering program Burapha University Chonburi THAILAND Information Systems Engineering Research Laboratory Faculty of Informatics Burapha University Chonburi THAILAND

Prominent organizations, currently, have analytical data-driven tool to support their decision making. A chart-like dashboard is the most appropriate tool to make integrated decisions encompassing multiple functions based on relevance information systems. Such tools, however, are commonly used in commercial firms rather than in the public organizations, especially in the education sections. It is crucial that several missions for the higher education in Thailand, such as graduate performance, research study, academic services to the society, and art & culture preservation, need a decision supporting tool to accomplish such goals. In this paper, we propose the dashboard framework for Higher Education, called TheDB (Thailand higher education DashBoard). It is generally very challenging for the higher education to have their own dashboards for different levels in the organization. We have implemented TheDB framework in nursing colleges of Public Health Ministry. In addition, they explicit their work operation via the dashboard for education quality assurance audited and approved by both related authorize organizations, including Thailand Nursing Council.

关键词： information systems Education Organizations Medical services Quality assurance Decision support systems

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Evaluation of Time-Difference-of-Arrival Error of Acoustic Beacons Caused by Velocity of Microphone Array

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Journal of Physics: Conference Series 2018年第1期1075卷 012046-012046页

作者： Ogiso, Satoki Mizutani, Koichi Wakatsuki, Naoto Ebihara, Tadashi Ph. D. Program in Empowerment Informatics School of Integrative and Global Majors University of Tsukuba 1-1-1 Tennodai Tsukuba Ibaraki 305-8573 Japan Ph. D. Program in Empowerment Informatics School of Integrative and Global Majors University of Tsukuba 1-1-1 Tennodai Tsukuba Ibaraki 305-8573 Japan Faculty of Engineering Information and Systems University of Tsukuba 1-1-1 Tennodai Tsukuba Ibaraki 305-8573 Japan

In this paper, we described a criterion of estimating the quality of time-difference-of-arrival (TDOA) estimation with a moving microphone array. The microphone array was supposed to receive a known signal from an acoustic beacon which transmitted a binary code with binary phase shift keying (BPSK). The movement of the microphone array may cause two kinds of error on the TDOA estimation; physical change of TDOA caused by the movement, and apparent change caused by the lower correlation values of Doppler-shifted signals. For evaluating the latter error, we employed the peak to average power ratio (PAPR) of the cross correlation function. The Doppler effect on TDOA error were evaluated with a computer simulation. The microphone array was moved at -2 to 2 m/s, covering the velocity range of indoor mobile robot. Besides the velocity, following three parameters of the sound were investigated. The types of the code for evaluation were chosen as M-, Gold and Kasami sequences, carrier frequencies were 0-40 kHz, and chip rates of the binary code were 0.5 - 20 kHz. As the results, it was confirmed that if PAPR is lower than a certain value, 40 in this simulation, the peak detection of the cross correlation is difficult and it results in high and unpredictable TDOA errors. Higher chip rates and lower carrier frequencies showed better resilience against the Doppler effect. The proposed criterion may infer the maximum velocities at which TDOA can be estimated without any measure against the Doppler effect for realistic parameters. This criterion would contribute to the on-line evaluation of the quality of TDOA, which may be beneficial for estimating sound direction of arrival.

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Author Correction: BigNeuron: a resource to benchmark and predict performance of algorithms for automated tracing of neurons in light microscopy datasets

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Nature methods 2024年第10期21卷 1959页

作者： Linus Manubens-Gil Zhi Zhou Hanbo Chen Arvind Ramanathan Xiaoxiao Liu Yufeng Liu Alessandro Bria Todd Gillette Zongcai Ruan Jian Yang Miroslav Radojević Ting Zhao Li Cheng Lei Qu Siqi Liu Kristofer E Bouchard Lin Gu Weidong Cai Shuiwang Ji Badrinath Roysam Ching-Wei Wang Hongchuan Yu Amos Sironi Daniel Maxim Iascone Jie Zhou Erhan Bas Eduardo Conde-Sousa Paulo Aguiar Xiang Li Yujie Li Sumit Nanda Yuan Wang Leila Muresan Pascal Fua Bing Ye Hai-Yan He Jochen F Staiger Manuel Peter Daniel N Cox Michel Simonneau Marcel Oberlaender Gregory Jefferis Kei Ito Paloma Gonzalez-Bellido Jinhyun Kim Edwin Rubel Hollis T Cline Hongkui Zeng Aljoscha Nern Ann-Shyn Chiang Jianhua Yao Jane Roskams Rick Livesey Janine Stevens Tianming Liu Chinh Dang Yike Guo Ning Zhong Georgia Tourassi Sean Hill Michael Hawrylycz Christof Koch Erik Meijering Giorgio A Ascoli Hanchuan Peng Institute for Brain and Intelligence Southeast University Nanjing China. Microsoft Corporation Redmond WA USA. Tencent AI Lab Bellevue WA USA. Computing Environment and Life Sciences Directorate Argonne National Laboratory Lemont IL USA. Kaya Medical Seattle WA USA. University of Cassino and Southern Lazio Cassino Italy. Center for Neural Informatics Structures and Plasticity Krasnow Institute for Advanced Study George Mason University Fairfax VA USA. Faculty of Information Technology Beijing University of Technology Beijing China. Beijing International Collaboration Base on Brain Informatics and Wisdom Services Beijing China. Nuctech Netherlands Rotterdam the Netherlands. Janelia Research Campus Howard Hughes Medical Institute Ashburn VA USA. Department of Electrical and Computer Engineering University of Alberta Edmonton Alberta Canada. Ministry of Education Key Laboratory of Intelligent Computation and Signal Processing Anhui University Hefei China. Paige AI New York NY USA. Scientific Data Division and Biological Systems and Engineering Division Lawrence Berkeley National Lab Berkeley CA USA. Helen Wills Neuroscience Institute and Redwood Center for Theoretical Neuroscience UC Berkeley Berkeley CA USA. RIKEN AIP Tokyo Japan. Research Center for Advanced Science and Technology (RCAST) The University of Tokyo Tokyo Japan. School of Computer Science University of Sydney Sydney New South Wales Australia. Texas A&M University College Station TX USA. Cullen College of Engineering University of Houston Houston TX USA. Graduate Institute of Biomedical Engineering National Taiwan University of Science and Technology Taipei Taiwan. National Centre for Computer Animation Bournemouth University Poole UK. PROPHESEE Paris France. Department of Neuroscience Columbia University New York NY USA. Mortimer B. Zuckerman Mind Brain Behavior Institute Columbia University New York NY USA. Department of Computer Science Northern Illinois Universit

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Smartphone-based swallowing monitoring and feedback device for mealtime assistance in nursing homes

Smartphone-based swallowing monitoring and feedback device f...

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Annual International Conference of the IEEE engineering in Medicine and Biology Society (EMBC)

作者： Naomi Kuramoto Dushyantha Jayatilake Kikue Hidaka Kenji Suzuki PhD program in Empowerment Informatics University of Tsukuba Japan Faculty of Systems and Information Engineering University of Tsukuba Japan Faculty of Medicine University of Tsukuba Japan

As many of the elderly are prone to dysphagia, preventing aspirations during mealtime assistance is a huge concern, especially for institutions operated with limited staff. Two of the main course of actions that are taken usually to prevent aspiration are the altering of bolus consistency and altering of the swallowing posture. To assist prevention of pneumonia, we have been developing a smartphone-based wearable technology that can evaluate swallowing ability in real-time. In this paper we will introduce modified version of Swallwoscope adding a posture detection system and a remote swallowing activity visualisation system to our previous work. We will evaluate the accuracy of the proposed posture detection system and also evaluate the feasibility of our device to determine bolus consistency. We plan to integrate these components in a network-based framework to share the relevant medical information within the community to enhance safety and pleasure of eating.

关键词： Senior citizens Neck Monitoring Diseases Liquids Lungs

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Lung volume estimation for thoracic respiration via chest size deviation measurement

Lung volume estimation for thoracic respiration via chest si...

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IEEE Global Conference on Consumer Electronics (GCCE)

作者： Yuji Sano Koichi Mizutani Keiichi Zempo Naoto Wakatsuki Ph.D. Program in Empowerment Informatics University of Tsukuba Tsukuba Ibaraki Japan Faculty of Engineering information and Systems University of Tsukuba Tsukuba Ibaraki Japan

ISBN: (纸本)9781509023349

Individual thermal stress of people in physical training has not been evaluated quantitatively in real time. The main limitations in evaluating individual thermal stress are the difficulties in measuring individual thermal parameters, clothing insulation, and metabolic rate. In this study, we aimed to overcome these limitations with metabolic rate measurement. For calculating metabolic rate in real time without breath gas analysis, we proposed a derivation method from oxygen consumption and lung volume. We found that the deviation of chest size is proportional to the change of lung volume in each person, and the coefficient of determination was greater than 0.90.

关键词： Lungs Volume measurement Size measurement Training Thermal stresses Atmospheric measurements Particle measurements

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The overlapping burden of the three leading causes of disability and death in sub-Saharan African children

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Nature Communications 2022年第1期13卷 1-14页

作者： Reiner, Robert C. Welgan, Catherine A. Troeger, Christopher E. Baumann, Mathew M. Weiss, Daniel J. Deshpande, Aniruddha Blacker, Brigette F. Miller-Petrie, Molly K. Earl, Lucas Bhatt, Samir Abolhassani, Hassan Abosetugn, Akine Eshete Abu-Gharbieh, Eman Adekanmbi, Victor Adetokunboh, Olatunji O. Aghaali, Mohammad Aji, Budi Alahdab, Fares Al-Aly, Ziyad Alhassan, Robert Kaba Ali, Saqib Alizade, Hesam Aljunid, Syed Mohamed Almasi-Hashiani, Amir Al-Mekhlafi, Hesham M. Altirkawi, Khalid A. Alvis-Guzman, Nelson Amare, Azmeraw T. Amini, Saeed Amugsi, Dickson A. Ancuceanu, Robert Andrei, Catalina Liliana Ansari, Fereshteh Anvari, Davood Appiah, Seth Christopher Yaw Arabloo, Jalal Aremu, Olatunde Atout, Maha Moh’d Wahbi Ausloos, Marcel Ausloos, Floriane Ayanore, Martin Amogre Aynalem, Yared Asmare Azene, Zelalem Nigussie Badawi, Alaa Baig, Atif Amin Banach, Maciej Bedi, Neeraj Bhagavathula, Akshaya Srikanth Bhandari, Dinesh Bhardwaj, Nikha Bhardwaj, Pankaj Bhattacharyya, Krittika Bhutta, Zulfiqar A. Bijani, Ali Birhanu, Tesega Tesega Mengistu Bitew, Zebenay Workneh Boloor, Archith Brady, Oliver J. Butt, Zahid A. Car, Josip Carvalho, Felix Casey, Daniel C. Chattu, Vijay Kumar Chowdhury, Mohiuddin Ahsanul Kabir Chu, Dinh-Toi Coelho, Camila H. Cook, Aubrey J. Damiani, Giovanni Daoud, Farah Gela, Jiregna Darega Darwish, Amira Hamed Daryani, Ahmad Das, Jai K. Davis Weaver, Nicole Deribe, Kebede Desalew, Assefa Dharmaratne, Samath Dhamminda Dianatinasab, Mostafa Diaz, Daniel Djalalinia, Shirin Dorostkar, Fariba Dubljanin, Eleonora Duko, Bereket Dwyer-Lindgren, Laura Effiong, Andem El Sayed Zaki, Maysaa El Tantawi, Maha Enany, Shymaa Fattahi, Nazir Feigin, Valery L. Fernandes, Eduarda Ferrara, Pietro Fischer, Florian Foigt, Nataliya A. Folayan, Morenike Oluwatoyin Foroutan, Masoud Frostad, Joseph Jon Fukumoto, Takeshi Gaidhane, Abhay Motiramji Gebrekrstos, Hailemikael Gebrekidan G. K. Gebremeskel, Leake Gebreslassie, Assefa Ayalew Gething, Peter W. Gezae, Kebede Embaye Ghadiri, Keyghobad Ghashghaee, Ahmad Golechha, Mahaveer Gubar Institute for Health Metrics and Evaluation University of Washington Seattle WA United States Department of Health Metrics Sciences School of Medicine University of Washington Seattle WA United States Malaria Atlas Project University of Oxford Oxford United Kingdom Imperial College London London United Kingdom Department of Laboratory Medicine Karolinska University Hospital Huddinge Sweden Research Center for Immunodeficiencies Tehran University of Medical Sciences Tehran Iran Department of Public Health Debre Berhan University Debre Berhan Ethiopia Department of Clinical Sciences University of Sharjah Sharjah United Arab Emirates Population Health Sciences King’s College London London United Kingdom Centre of Excellence for Epidemiological Modelling and Analysis Stellenbosch University Stellenbosch South Africa Department of Global Health Stellenbosch University Cape Town South Africa Department of Epidemiology and Biostatistics Qom University of Medical Sciences Qom Iran Faculty of Medicine and Public Health Jenderal Soedirman University Purwokerto Indonesia Mayo Evidence-based Practice Center Mayo Clinic Foundation for Medical Education and Research Rochester MN United States John T. Milliken Department of Internal Medicine Washington University in St. Louis St. Louis MO United States Clinical Epidemiology Center Department of Veterans Affairs St Louis MO United States Institute of Health Research University of Health and Allied Sciences Ho Ghana Department of Information Systems College of Economics and Political Science Sultan Qaboos University Muscat Oman Infectious and Tropical Disease Research Center Hormozgan University of Medical Sciences Bandar Abbas Iran Department of Health Policy and Management Kuwait University Safat Kuwait International Centre for Casemix and Clinical Coding National University of Malaysia Bandar Tun Razak Malaysia Department of Epidemiology Arak University of Medical Sciences Arak Iran Medical Research Center

Despite substantial declines since 2000, lower respiratory infections (LRIs), diarrhoeal diseases, and malaria remain among the leading causes of nonfatal and fatal disease burden for children under 5 years of age (under 5), primarily in sub-Saharan Africa (SSA). The spatial burden of each of these diseases has been estimated subnationally across SSA, yet no prior analyses have examined the pattern of their combined burden. Here we synthesise subnational estimates of the burden of LRIs, diarrhoea, and malaria in children under-5 from 2000 to 2017 for 43 sub-Saharan countries. Some units faced a relatively equal burden from each of the three diseases, while others had one or two dominant sources of unit-level burden, with no consistent pattern geographically across the entire subcontinent. Using a subnational counterfactual analysis, we show that nearly 300 million DALYs could have been averted since 2000 by raising all units to their national average. Our findings are directly relevant for decision-makers in determining which and targeting where the most appropriate interventions are for increasing child survival. © 2022, The Author(s).

关键词： Biogeography Epidemiology Infectious diseases Malaria

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