1. Department of Psychiatry, College of Physicians and Surgeons, Columbia University, New York, New York, USA
2. New York State Psychiatric Institute, New York, New York, USA
3. Mailman School of Public Health and
4. Lamont-Doherty Earth Observatory, Columbia University, New York, New York, USA
5. National Institute of Preventive and Social Medicine, Dhaka, Bangladesh
6. Columbia University Bangladesh Arsenic Project, New York, New York, USA