[1] Kantonsspital St Gallen, St Gallen, Switzerland
[2] Christie NHS Fdn Trust, Manchester, Lancs, England
[3] Univ Manchester, Manchester, Lancs, England
[4] Hosp del Mar Res Inst, Dept Med Oncol, Barcelona, Spain
[5] European Inst Oncol, Med Oncol Div Urogenital & Head & Neck Tumors, Milan, Italy
[6] Autonomous Univ Barcelona, Parc Tauli Univ Hosp, Parc Tauli Inst Res & Innovat I3PT, Sabadell, Spain
[7] Univ Clin Brussels, Erasme Hosp, Brussels, Belgium
[8] Copenhagen Univ Hosp, Rigshosp, Copenhagen, Denmark
[9] Univ Paris Saclay, Gustave Roussy, Dept Canc Med, Villejuif, France
[10] Ctr Hosp Univ Montreal, Montreal, PQ, Canada
[11] St Vincents Univ Hosp, Dublin, Ireland
[12] European Org Res Treatment Canc, Brussels, Belgium
[13] EORTC, Brussels, Belgium
[14] Catholic Univ Louvain, Inst Rech Clin, Louvain, Belgium