[1] Univ Oklahoma, Hlth Sci Ctr, Oklahoma City, OK USA
[2] Univ Alberta, Sch Publ Hlth, Edmonton, AB, Canada
[3] Baylor Coll Med, Houston, TX USA
[4] Childrens Hosp Philadelphia, Philadelphia, PA USA
[5] NCI, Bethesda, MD USA
[6] NCI, Rockville, MD USA
[7] Duke Univ, Trent Ctr Bioeth Humanities & Hist Med, Durham, NC USA
[8] Univ Minnesota, Minneapolis, MN USA
[9] Univ Alabama Birmingham, Sch Med, Birmingham, AL USA
[10] Fred Hutchinson Canc Res Ctr, Seattle, WA USA
[11] St Jude Childrens Res Hosp, Memphis, TN USA
[12] Dan L Duncan Comprehens Canc Ctr, Houston, TX USA