1. Emory University – Hubert Department of Global Health, 1518 Clifton Rd., NE, Atlanta, Georgia 30345, United States
2. Emory University – Department of Sociology, Atlanta, Georgia, United States
3. International Centre for Diarrheal Diseases Research, Bangladesh, Dhaka, Bangladesh
4. Emory University – Hubert Department of Global Health, 1518 Clifton Rd., NE Atlanta, Georgia 30345, United States