[1] Univ Cattolica Sacro Cuore, Fdn Ric & Cura Giovanni Paolo II, Med Phys Unit, Campobasso, Italy
[2] Univ Cattolica Sacro Cuore, Fdn Ric & Cura Giovanni Paolo II, Radiat Oncol Unit, Campobasso, Italy
[3] Univ Cattolica Sacro Cuore, Fdn Ric & Cura Giovanni Paolo II, Dept Radiol, Campobasso, Italy
[4] Univ Novi Sad, Dept Radiotherapy, Oncol Inst Vojvodina S Kamen, Novi Sad, Serbia
[5] Univ Bologna, S Orsola Malpighi Hosp, Radiat Oncol Ctr, Dept Expt Diagnost & Specialty Med,DIMES, Bologna, Italy
[6] Univ Bologna, S Orsola Malpighi Hosp, Med Phys Unit, Dept Expt Diagnost & Specialty Med,DIMES, Bologna, Italy
[7] Univ Cattolica Sacro Cuore, Dept Radiat Oncol, Policlin Univ A Gemelli, Rome, Italy