[1] Yale Sch Publ Hlth, Dept Chron Dis Epidemiol, New Haven, CT 06520 USA
[2] Yale Canc Ctr, New Haven, CT 06520 USA
[3] Fred Hutchinson Canc Res Ctr, Div Publ Hlth Sci, Canc Prevent Program, Seattle, WA 98109 USA
[4] Dana Farber Canc Inst, Boston, MA 02215 USA
[5] Penn State Univ, Div Hlth Serv & Behav Res, Hershey, PA 17033 USA
[6] Univ Calif La Jolla, Div Epidemiol, Dept Family & Prevent Med, La Jolla, CA 92093 USA
[7] Washington Univ St Louis, Sch Med, Div Publ Hlth Sci, St Louis, MO 63110 USA
[8] Natl Canc Inst, Div Canc Control & Populat Sci, Bethesda, MD 20892 USA