Alan H Stern1,2
, Joseph L Jacobson3
, Louise Ryan4,5
and Thomas A Burke6 
1
Bureau for Risk Analysis, Division of Science, Research, and Technology, New Jersey Department of Environmental Protection, 401 East State Street, 1st Floor, PO Box 409, Trenton, NJ, 08625, USA
2
Division of Environmental and Occupational Health, University of Medicine and Dentistry of New Jersey School of Public Health, 683 Hoes Lane West, Room 305, PO Box 9, Piscataway, NJ, 08854, USA
3
Department of Psychology, College of Science, Wayne State University, 235 Psychology Building, 71 West Warren, Detroit, MI, 48202, USA
4
Department of Biostatistics, Harvard School of Public Health, 655 Huntington Avenue, Boston, MA, 02115 USA
5
Dana-Farber Cancer Institute, 44 Binney Street, Mayer 219, Boston, MA 02115 USA
6
Department of Health Policy and Management, John Hopkins Bloomberg School of Public Health, 634 North Broadway, Room 484, Baltimore, MD, USA