1. BRAC James P Grant School of Public Health, BRAC University, Dhaka, Bangladesh
2. Department of Medicine, Chittagong Medical College and Hospital, Chittagong, Bangladesh
3. The JiVitA Project, Johns Hopkins University, Gaibandha, Bangladesh
4. Health System and Population Studies Division, The International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
5. Department of Public Health and Informatics, Jahangirnagar University, Dhaka, Bangladesh
6. Department of Health, Promotion, Education & Behavior, Norman J Arnold School of Public Health, University of South Carolina, Columbia, South Carolina, United States