[1] NCI, Bethesda, MD 20892 USA
[2] Univ Iowa, Dept Epidemiol, Iowa City, IA USA
[3] Canc Prevent Inst Calif, Fremont, CA USA
[4] Stanford Univ, Sch Med, Dept Hlth Res & Policy, Stanford, CA 94305 USA
[5] Univ So Calif, Dept Prevent Med, Keck Sch Med, Los Angeles, CA 90089 USA
[6] Louisiana State Univ, Hlth Sci Ctr, Program Epidemiol, Louisiana Tumor Registry,Sch Publ Hlth, New Orleans, LA USA
[7] Wayne State Univ, Sch Med, Karmanos Canc Inst, Detroit, MI USA
[8] Wayne State Univ, Sch Med, Dept Pathol, Detroit, MI USA
[9] UC Davis Sch Med, Dept Publ Hlth Sci, Davis, CA USA
[10] Calif Canc Registry, Inst Publ Hlth, Sacramento, CA USA
[11] Fred Hutchinson Canc Res Ctr, Div Publ Hlth Sci, Seattle, WA 98104 USA
[12] Kelly Serv, Sci Resources, Rockville, MD USA
[13] Georgetown Univ, Lombardi Comprehens Canc Ctr, Washington, DC USA