Prof. Philipp Riss, FEBSMedical University of Vienna, Austria Prof. Christian ScheubaMedical University of Vienna, Austria Prof. Özer Makay, FEBSIzmir, Turkey Chefarzt PD Dr. Elias KarakasKrankenhaus Maria-Hilf, Krefeld, Germany OA Dr. Günther KleinLandesklinikum Wr. Neustadt, Austria Chefarzt Prof. Dr. Stefan Schopf, FEBSInnklinikum Mühldorf, Germany OA Dr. Thomas GrabnerKlinik Landstrasse, Austria