University of Cincinnati - Department of Pediatrics, Cincinnati Children's Hospital Medical Center - Division of Human Genetics, Johns Hopkins University - Department of International Health, Aga Khan University - Biorepository and Omics Research Group, Center for Public Health Kinetics, International Center for Diarrhoeal Disease Research, Bangladesh (ICDDR,B) - Maternal and Child Health Division, University of North Carolina (UNC) at Chapel Hill - School of Medicine, Independent, International Center for Diarrhoeal Disease Research, Bangladesh (ICDDR,B) - Nutrition and Clinical Services Division, Tampere University - Center for Child Health Research, Tu Du Hospital, University of Liverpool - Department of Women and Children’s Health, University of Cincinnati - Department of Chemistry, Tufts University - Jean Mayer USDA Human Nutrition Research Center on Aging, Cincinnati Children's Hospital Medical Center - Division of Human Genetics, Cincinnati Children's Hospital Medical Center - Division of Human Genetics, Cincinnati Children's Hospital Medical Center - Division of Human Genetics, USDA Agricultural Research Service (ARS) - Grand Forks Human Nutrition Research Center, Projahnmo Research Foundation, Projahnmo Research Foundation, Projahnmo Research Foundation, Aga Khan University - Biorepository and Omics Research Group, Center for Public Health Kinetics, Center for Public Health Kinetics, Public Health Laboratory Ivo de Carneri, Center for Public Health Kinetics, Center for Public Health Kinetics, International Center for Diarrhoeal Disease Research, Bangladesh (ICDDR,B) - Nutrition and Clinical Services Division, University of Zambia (UNZA) - School of Medicine, University of Zambia (UNZA) - School of Public Health, International Centre for Diarrheal Disease Research (ICDDR’B) - Nutrition and Clinical Services Division (NCSD), International Centre for Diarrheal Disease Research (ICDDR’B) - Nutrition and Clinical Services Division (NCSD), Tampere University - Center for Child Health Research, University of Malawi - School of Public Health and Family Medicine, University of Oulu - Department of Children and Adolescents, University of Liverpool - Department of Women and Children’s Health, University of Liverpool - Department of Women and Children’s Health, University of Liverpool - Department of Women and Children’s Health, Duke University - Department of Obstetrics and Gynecology, University of California, San Francisco (UCSF) - Department of Obstetrics, Gynecology and Reproductive Sciences, University of Iowa - Department of Epidemiology, University of Iowa - Department of Pediatrics, World Health Organization - Department of Maternal, Newborn, Child and Adolescent Health and Ageing, Global Alliance to Prevent Prematurity and Stillbirth, Global Alliance to Prevent Prematurity and Stillbirth, University of Liverpool - Department of Women and Children’s Health, Tampere University - Center for Child Health Research, Johns Hopkins Bloomberg School of Public Health - International Center for Maternal and Newborn Health, University of Oxford - Department of Women’s and Reproductive Health, North Carolina State University - Department of Biological Sciences and Center for Human Health and the Environment, Aga Khan University - Biorepository and Omics Research Group, University of California, San Francisco (UCSF) - Department of Epidemiology and Biostatistics, International Center for Diarrhoeal Disease Research, Bangladesh (ICDDR,B) - Maternal and Child Health Division, University of Toronto - Centre for Global Child Health, Center for Public Health Kinetics, University of North Carolina (UNC) at Chapel Hill - School of Medicine, University of Cincinnati - Department of Pediatrics and University of Cincinnati - Division of Human Genetics