[1] Univ Bergen, Kristian Gerhard Jebsen Brain Tumour Res Ctr, Dept Biomed, Jonas Lies Vei 91, N-5009 Bergen, Norway
[2] Haukeland Hosp, Dept Oncol & Med Phys, Jonas Lies Vei 65, N-5021 Bergen, Norway
[3] Shandong Univ, Brain Sci Res Inst, 44 Wenhuaxi Rd, Jinan 250100, Shandong, Peoples R China
[4] Luxembourg Inst Hlth, Dept Oncol, NorLux Neurooncol Lab, 84 Val Fleuri, L-1526 Luxembourg, Luxembourg
[5] Univ Bergen, Sect Oncol, Dept Clin Sci, N-5020 Bergen, Norway
[6] Univ Bergen, Dept Biomed, Mol Imaging Ctr, Jonas Lies Vei 91, N-5009 Bergen, Norway