[1] Betty Irene Moore Sch Nursing, Family Caregiving Inst, Sacramento, CA USA
[2] Univ Calif Davis, Comprehens Canc Ctr, Sacramento, CA USA
[3] Univ Alberta, Sch Publ Hlth, Edmonton, AB, Canada
[4] St Jude Childrens Res Hosp, Dept Epidemiol & Canc Control, Memphis, TN USA
[5] Univ Calif Los Angeles, David Geffen Sch Med, Los Angeles, CA USA
[6] Univ Calif Los Angeles, Jonsson Comprehens Canc Ctr, Los Angeles, CA USA
[7] Univ Calif Los Angeles, Fielding Sch Publ Hlth, Los Angeles, CA USA
[8] Amer Canc Soc, Surveillance & Hlth Equ Sci Dept, Atlanta, GA USA
[9] Fred Hutchinson Canc Res Ctr, Clin Res Div, Seattle, WA USA
[10] Univ Texas Houston, MD Anderson Canc Ctr, Dept Radiat Phys, Div Radiat Oncol, Houston, TX USA
[11] Univ Alabama Birmingham, Nutr Obes Res Ctr, Dept Med, Div Prevent Med, Birmingham, AL USA
[12] Univ Utah, Huntsman Canc Inst, Canc Control & Populat Sci, Salt Lake City, UT USA
[13] Univ Toronto, Hosp Sick Children, Div Hematol Oncol, Toronto, ON, Canada
[14] Univ Calif Davis, Betty Irene Moore Sch Nursing, 2450 48th St,Ste 2600, Sacramento, CA 95817 USA