[1] Karolinska Univ Hosp, Dept Radiotherapy, Stockholm, Sweden
[2] Karolinska Inst, Dept Oncol Pathol, Stockholm, Sweden
[3] Sahlgrens Univ Hosp, Dept Oncol, Gothenburg, Sweden
[4] Skane Univ Hosp, Dept Hematol Oncol & Radiat Phys, Lund, Sweden
[5] Linkoping Univ, Dept Oncol Biomed & Clin Sci, Linkoping, Sweden
[6] Umea Univ, Dept Radiat Sci, Oncol, Umea, Sweden
[7] Uppsala Univ, Dept Immunol Genet & Pathol, Uppsala, Sweden