[1] Univ Penn, Sch Med, Philadelphia, PA 19104 USA
[2] GlaxoSmithKline, Collegeville, PA USA
[3] Angeles Clin, Los Angeles, CA USA
[4] Res Inst, Los Angeles, CA USA
[5] Sarah Cannon Canc Ctr, Nashville, TN USA
[6] Univ Texas MD Anderson Canc Ctr, Houston, TX 77030 USA
[7] Sir Charles Gairdner Hosp, Perth, WA, Australia
[8] Royal Prince Alfred Hosp, Sydney, NSW, Australia
[9] Univ Sydney, Westmead Inst Canc Res, Melanoma Inst Australia, Westmead Hosp, Sydney, NSW 2006, Australia