[1] Univ Novi Sad, Fac Med, Novi Sad, Serbia
[2] Clin Ctr Vojvodina, Dept Psychiat, Novi Sad, Serbia
[3] Clin Ctr Vojvodina, Dept Neurosurg, Novi Sad, Serbia
[4] Clin Ctr Vojvodina, Novi Sad, Serbia
[5] Sestre Milosrdnice Univ Hosp Ctr, Dept Neurosurg, Zagreb, Croatia
[6] Univ Hlth Appl Sci, Zagreb, Croatia
[7] Univ Belgrade, Fac Med, Belgrade, Serbia
[8] Clin Ctr Serbia, Dept Neurosurg, Div Peripheral Nerve Surg Funct Neurosurg & Pain, Visegradska 26, Belgrade 11000, Serbia