Yale School of Management, Stanford University, Stanford University, Innovations for Poverty Action Bangladesh, Innovations for Poverty Action, Innovations for Poverty Action, Yale University, Stanford University - Department of Epidemiology and Population Health, Yale University, Innovations for Poverty Action Bangladesh, Innovations for Poverty Action Bangladesh, Innovations for Poverty Action Bangladesh, Johns Hopkins University - Bloomberg School of Public Health, North South University, North South University - Global Health Institute, Stanford University - Division of Infectious Diseases and Geographic Medicine and Yale School of Management

Stanford University, International Centre for Diarrheal Disease Research (icddr,b), affiliation not provided to SSRN, International Centre for Diarrheal Disease Research (icddr,b), University of New South Wales (UNSW), Stanford University, Johns Hopkins University - Bloomberg School of Public Health, Stanford Law School, Stanford University - Division of Infectious Diseases and Geographic Medicine and - Health Systems and Population Studies Division