1. Arsenic Health Effects Research Group, School of Public Health, University of California, Berkeley, California, USA
2. Health Sciences Centre, University of Canterbury, Christchurch, New Zealand
3. School of Human Sciences, London Metropolitan University, London, United Kingdom
4. Veteran’s Administration, Palo Alto Health Care System, Palo Alto, California, USA
5. Department of Gastroenterology, Institute of Post Graduate Medical Education and Research, Kolkata, India
6. Department of Environmental Health, University of Washington, Seattle, Washington, USA
7. School of Public Health, University of California, Los Angeles, California, USA
8. Office of Environmental Health Hazard Assessment, California Environmental Protection Agency, Oakland, California, USA