[1] The Johns Hopkins Bloomberg School of Public Health,Department of Health, Behavior and Society
[2] The Johns Hopkins Bloomberg School of Public Health,Department of Epidemiology
[3] The University of Haifa,Department of Statistics
[4] Muhimbili University of Health and Allied Sciences,Department of Medicine
[5] University of California San Francisco,Department of Sociology
[6] American University,Department of International Health
[7] The Johns Hopkins Bloomberg School of Public Health,undefined