[1] Landeskrankenhaus Klagenfurt, Strahlentherapie & Radioonkol, Klagenfurt, Austria
[2] Emory Univ, Sch Med, Winship Canc Ctr, Dept Radiat Oncol, Atlanta, GA 30322 USA
[3] Univ Roma La Sapienza, Osped St Andrea, Dept Neurosci Mental Hlth & Sensory Organs, Dept Clin & Mol Med, Rome, RM, Italy
[4] Univ Kentucky, Dept Radiat Med, Markey Canc Ctr, Lexington, KY USA
[5] Thomas Jefferson Univ Philadelphia, Dept Radiat Oncol, Philadelphia, PA USA
[6] Res Inst Clin Med, Tbilisi, Georgia
[7] BioIRC R&D Ctr Biomed Res, Kragujevac, Serbia
[8] Dept Radiat Oncol, Tbilisi, Georgia