1. School of Public Health, Division of Epidemiology and Biostatistics San Diego State University San Diego California USA
2. UC San Diego Moores Cancer Center La Jolla California USA
3. Department of Environmental Medicine and Public Health Icahn School of Medicine at Mount Sinai New York New York USA
4. Department of Environmental Health Sciences, Mailman School of Public Health Columbia University New York New York USA
5. Department of Medicine and Department of Epidemiology, Mailman School of Public Health, Vagelos College of Physicians and Surgeons Columbia University New York New York USA