[1] Aarhus Univ Hosp, Dept Oncol, Aarhus, Denmark
[2] Stavanger Univ Hosp, Dept Oncol, Stavanger, Norway
[3] Vejle Hosp, Dept Oncol, Vejle, Denmark
[4] Aalborg Univ Hosp, Dept Oncol, Aalborg, Denmark
[5] Sorlandet Hosp, Dept Oncol, Kristiansand, Norway
[6] Odense Univ Hosp, Dept Oncol, Odense, Denmark
[7] Odense Univ Hosp, Lab Radiat Phys, Odense, Denmark
[8] Zealand Univ Hosp, Dept Clin Oncol & Palliat Care, Naestved, Denmark
[9] Univ Hosp, Dresden, Germany
[10] Fac Med Carl Gustav Carus, Dresden, Germany
[11] Tech Univ Dresden, Dresden, Germany
[12] German Canc Consortium Dresden, Dresden, Germany
[13] Helmholtz Zentrum Dresden Rossendorf, Dresden, Germany
[14] Natl Ctr Tumor Dis, Dresden, Germany
[15] German Canc Res Ctr, Heidelberg, Germany
[16] Dept Radiat Oncol, Dresden, Germany
[17] OncoRay Ctr, Dresden, Germany
[18] Rigshosp, Dept Oncol, Copenhagen, Denmark
[19] Aarhus Univ Hosp, Dept Expt Clin Oncol, Aarhus, Denmark