[1] NCI, Div Canc Epidemiol & Genet, Dept Hlth Human Serv, NIH, Bethesda, MD 20892 USA
[2] Univ Maastricht, Dept Hlth Risk Anal & Toxicol, Maastricht, Netherlands
[3] Ctr Hosp Univ Quebec, Inst Natl Sante Publ, Unite Rech Sante Publ, Quebec City, PQ, Canada
[4] Texas A&M Univ, Sch Rural Publ Hlth, College Stn, TX USA
[5] Univ So Denmark, Odense, Denmark
[6] Washington State Dept Hlth, Olympia, WA USA
[7] US Geol Survey, Reston, VA 22092 USA