1. Department of Public Health Sciences, University of Chicago, Chicago, Illinois, USA
2. Division of Epidemiology and Biostatistics, School of Public Health, University of Illinois at Chicago, Chicago, Illinois, USA
3. UChicago Research Bangladesh, Mohakhali, Dhaka, Bangladesh
4. Research and Evaluation Division, BRAC, Dhaka, Bangladesh
5. International Centre for Diarrhoeal Disease Research, Bangladesh, Dhaka, Bangladesh
6. Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, New York, USA
7. Unit of Metals and Health, Institute of Environmental Medicine, Karolinska Institute, Stockholm, Sweden
8. Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, Lund, Sweden
9. Department of Human Genetics, University of Chicago, Chicago, Illinois, USA
10. University of Chicago Comprehensive Cancer Center, University of Chicago, Chicago, Illinois, USA
11. Department of Medicine, University of Chicago, Chicago, Illinois, USA