[1] Department of Neurosurgery,
[2] General Hospital Pula,undefined
[3] Zagrebačka 30,undefined
[4] HR-52100 Pula,undefined
[5] Croatia,undefined
[6] e-mail: marin.stancic@pu.tel.hr Fax: +385-52-211060,undefined
[7] Department of Neurosurgery,undefined
[8] General Hospital Pula,undefined
[9] Zagrebačka 30,undefined
[10] HR-52100 Pula,undefined
[11] Croatia,undefined
[12] Medical School,undefined
[13] University of Rijeka,undefined
[14] Brace Branchetta 20,undefined
[15] HR-51000 Rijeka,undefined
[16] Croatia,undefined