[1] Univ Gothenburg, Dept Oncol, Gothenburg, Sweden
[2] Norwegian Radium Hosp, Oslo Univ Hosp, Oslo, Norway
[3] Helsinki Univ Hosp, Ctr Comprehens Canc, Helsinki, Finland
[4] Univ Oulu, Dept Canc & Radiotherapy, Oulu, Finland
[5] Novartis Healthcare AS, Copenhagen, Denmark
[6] Mapi, Real World Strategy & Analyt, Stockholm, Sweden
[7] Mapi, Real World Strategy & Analyt, Lyon, France
[8] Univ Oslo, Inst Clin Med, Campus AHUS, Oslo, Norway
[9] Akershus Univ Hosp, Dept Oncol, Akershus, Norway