[1] Hosp Clin Barcelona, Med Oncol, Melanoma Unit, Barcelona, Spain
[2] John Wayne Canc Inst, Med Oncol, Santa Monica, CA USA
[3] Hosp Univ Virgen Macarena, Dept Med, Seville, Spain
[4] Odette Canc Ctr, Sunnybrook Hlth Sci Ctr, Med Oncol, Toronto, ON, Canada
[5] Ctr Hosp Univ Montreal, Med, Montreal, PQ, Canada
[6] Univ Gothenburg, Oncol, Gothenburg, Sweden
[7] Sahlgrens Univ Hosp, Gothenburg, Sweden
[8] Skane Univ Hosp, Oncol & Radiat Phys, Lund, Sweden
[9] Lund Univ, Lund, Sweden
[10] Hosp Gen Univ Valencia, Med Oncol, Valencia, Spain
[11] Hosp Gen Univ Gregorio Maranon, Med Oncol, Madrid, Spain
[12] CIBERONC, Madrid, Spain
[13] Univ Toronto, Univ Hlth Network, Princess Margaret Canc Ctr, Med Oncol, Toronto, ON, Canada
[14] Univ Queensland, Princess Alexandra Hosp, Dermatol, Brisbane, Qld, Australia
[15] Karolinska Univ Hosp, Dept Oncol, Stockholm, Sweden
[16] Eisai Ltd, Clin Res, Hatfield, Herts, England
[17] Merck & Co Inc, Clin Res, Kenilworth, NJ USA
[18] Univ Sydney, Melanoma Inst Australia, Sydney, NSW, Australia
[19] Royal North Shore & Mater Hosp, Sydney, NSW, Australia