[1] Univ Washington, Inst Publ Hlth Genet, Seattle, WA 98195 USA
[2] Univ Utah, Huntsman Canc Inst, Salt Lake City, UT 84112 USA
[3] Univ Utah, Dept Dermatol, Salt Lake City, UT 84112 USA
[4] Georgetown Univ, Med Ctr, Dept Oncol, Lombardi Comprehens Canc Ctr, 3300 Whitehaven St NW,Suite 4100, Washington, DC 20007 USA
[5] Hackensack Univ, Med Ctr, John Theurer Canc Ctr, Dept Biomed Res, Hackensack, NJ USA
[6] Georgetown Lombardi Comprehens Canc Ctr, Canc Prevent & Control Program, Washington, DC USA
[7] Univ Washington, Dept Bioeth & Humanities, Seattle, WA 98195 USA