Affiliation: | aDepartment of Radiology, University Hospital, I. P. Pavlova 6, 775 20 Olomouc, Czech Republic;bDepartment of Surgery, University Hospital, I. P. Pavlova 6, 775 20 Olomouc, Czech Republic;cDepartment of Anaestology, University Hospital, I. P. Pavlova 6, 775 20 Olomouc, Czech Republic |