[1] Childrens Hosp Los Angeles, Canc & Blood Dis Inst, 4605 Sunset Blvd,Mail Code 54, Los Angeles, CA 90027 USA
[2] Univ Southern Calif, Keck Sch Med, Dept Populat & Publ Hlth Sci, Los Angeles, CA USA
[3] Amer Coll Surg, Canc Res Program, Chicago, IL USA
[4] Univ Southern Calif, Keck Sch Med, Dept Dermatol, Los Angeles, CA USA
[5] USC Norris Comprehens Canc Ctr, Los Angeles, CA USA
[6] Univ Kentucky, Markey Canc Ctr, Canc Prevent & Control Program, Lexington, KY USA
[7] Univ Kentucky, Coll Med, Dept Surg, Lexington, KY USA
[8] Amer Coll Surg, Commiss Canc, Chicago, IL USA
[9] Mayo Clin, Dept Surg, Rochester, MN USA
[10] Univ Southern Calif, Keck Sch Med, Dept Pediat, Los Angeles, CA USA
[11] Univ Southern Calif, Keck Sch Med, Dept Med, Los Angeles, CA USA