[1] Markusovszky Univ Teaching Hosp, Dept Thorac Surg, Szombathely, Hungary
[2] Univ Szeged, Dept Pulmonol, Szeged, Hungary
[3] Univ Szeged, Dept Anesthesiol & Intens Therapy, Szeged, Hungary
[4] Univ Szeged, Inst Surg Res, Szeged, Hungary
[5] Bacs Kiskun Cty Hosp, Dept Neurol, Kecskemet, Hungary
[6] Univ Szeged, Dept Surg, Szeged, Hungary
[7] Univ Szeged, Dept Med Phys & Informat, Szeged, Hungary