[1] Hosp Clin Barcelona, Barcelona, Spain
[2] Hosp Univ Virgen Macarena, Seville, Spain
[3] Sunnybrook Hlth Sci Ctr, Toronto, ON, Canada
[4] Ctr Hosp Univ Montreal, Montreal, ON, Canada
[5] Univ Gothenburg, Gothenburg, Sweden
[6] Sahlgrens Univ Hosp, Gothenburg, Sweden
[7] Skane Univ Hosp, Lund, Sweden
[8] Lund Univ, Lund, Sweden
[9] Hosp Gen Univ Valencia, Valencia, Spain
[10] Hosp Gen Univ Gregorio Maranon, Madrid, Spain
[11] CIBERONC, Madrid, Spain
[12] Univ Toronto, Univ Hlth Network, Princess Margaret Canc Ctr, Toronto, ON, Canada
[13] Univ Queensland, Princess Alexandra Hosp, Brisbane, Qld, Australia
[14] Karolinska Univ Hosp, Stockholm, Sweden
[15] Monash Univ, Eastern Hlth, Melbourne, Vic, Australia
[16] Eisai Ltd, Hatfield, Herts, England
[17] Merck & Co Inc, Kenilworth, NJ USA
[18] Univ Sydney, Royal North Shore & Mater Hosp, Melanoma Inst Australia, Sydney, NSW, Australia