[1] Univ New Mexico, Dept Internal Med, Ctr Canc, Albuquerque, NM 87131 USA
[2] Mem Sloan Kettering Canc Ctr, Dept Epidemiol & Biostat, New York, NY 10021 USA
[3] Univ Sydney, Queen Elizabeth II Res Inst D02, Sydney, NSW 2006, Australia
[4] Univ N Carolina, Sch Med, Lineberger Canc Res Ctr, Chapel Hill, NC 27599 USA
[5] Canc Care Ontario, Dept Epidemiol, Toronto, ON, Canada
[6] Univ Michigan, Dept Epidemiol, Ann Arbor, MI 48109 USA
[7] Univ Calif Irvine, Dept Epidemiol, Irvine, CA USA
[8] British Columbia Canc Agcy, Dept Epidemiol, Vancouver, BC V5Z 4E6, Canada
[9] Univ Tasmania, Dept Epidemiol, Menzies Ctr, Hobart, Tas, Australia
[10] Ctr Epidemiol & Prevent Oncol Piedmont, Piedmont Canc Registry, Turin, Italy
[11] Univ Penn, Dept Epidemiol, Philadelphia, PA 19104 USA
[12] Natl Ctr Atmospher Res, Div Atmospher Chem, Boulder, CO 80307 USA