1. School of Public Affairs, American University, Washington, DC
2. Independent Researcher, Los Angeles, California
3. Department of Epidemiology and Environmental Health, The State University of New York at Buffalo, Buffalo
4. Department of Surgery, University of Rochester Medical Center, Rochester, New York
5. Department of Public Health Sciences, University of Rochester Medical Center, Rochester, New York
6. Inspire, Arlington, Virginia
7. Social & Scientific Systems, Silver Spring, Maryland