?:authorAffiliation
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[\'National Institute of Hygiene and Epidemiology, Hanoi, Vietnam.\', \'School of Preventive Medicine and Public Health, Hanoi Medical University, Hanoi, Vietnam.\', \'Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom.\', \'Oxford University Clinical Research Unit, Ho Chi Minh city, Vietnam.\', \'Medical Services Administration, Ministry of Health, Hanoi, Vietnam.\', \'General Department of Preventive Medicine, Ministry of Health, Hanoi, Vietnam.\', \'Research School of Population Health, Australian National University, Canberra, Australia.\', \'National Agency for Science and Technology Information, Ministry of Science and Technology, Hanoi, Vietnam.\', \'Hanoi University of Public Health, Hanoi, Vietnam.\']
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