1. Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
2. International Center for Diarrhoeal Disease Research, Bangladesh, Dhaka, Bangladesh
3. Department of Public Health Sciences, Center for Public Health Genomics, University of Virginia School of Medicine, Charlottesville, Virginia, USA
4. Wellcome Centre for Human Genetics, University of Oxford, Oxford, United Kingdom
5. University of Vermont College of Medicine, Vaccine Testing Center, Burlington, Vermont, USA
6. Department of Medicine, Infectious Diseases and International Health, University of Virginia School of Medicine, Charlottesville, Virginia, USA