1. From the International Centre for Diarrhoeal Disease Research, Bangladesh, Dhaka, Bangladesh (FT, SEA, JDH, and FM); International Maternal and Child Health, Uppsala University, Uppsala, Sweden (LAP and E-CE); the Institute of Nutrition and Food Science, University of Dhaka, Dhaka, Bangladesh (SNH); and the Centres for International Child Health and the Centre for Paediatric Epidemiology and Bios