[1] Christie NHS Fdn Trust, Manchester Acad Hlth Sci Ctr, Manchester, Lancs, England
[2] Univ Manchester, Manchester, Lancs, England
[3] Oslo Univ Hosp, Oslo, Norway
[4] Oslo Univ Hosp, Inst Canc Res, Norwegian Radium Hosp, Oslo, Norway
[5] Hosp Clin Barcelona, Barcelona, Spain
[6] Hosp 12 Octubre Carretera Andalucia, Madrid, Spain
[7] Catalan Inst Oncol Badalona, Med Oncol, Badalona, Spain
[8] Hosp Badalona Germans Trias & Pujol, Badalona, Spain
[9] B Argo, Badalona, Spain
[10] Hosp Univ Fdn Jimenez Diaz, Madrid, Spain
[11] Hosp Virgen de La Victoria, Malaga, Spain
[12] Hosp Mar, Oncol, Barcelona, Spain
[13] Univ Hosp A Coruna Xxiac Sergas, Med Oncol Serv, La Coruna, Spain
[14] KingS Coll London, Guys Hosp, London, England
[15] Med Coll Wisconsin, Affiliated Hosp, Menomonee Falls, WI USA
[16] Complejo Hosp Jaen, Med Oncol, Jaen, Spain
[17] Bergenbio Asa, Bergen, Norway
[18] Merck & Co Inc, Kenilworth, NJ USA
[19] Merck & Co Inc, Rahway, NJ 07065 USA
[20] Vall DHebron Univ Hosp, Barcelona, Spain