1 3rd Department of Surgery, 1st Faculty of Medicine, Charles University, Motol University Hospital, V uvalu 84, Prague 5, 15006, Czech Republic. [email protected].
2 2nd Faculty of Medicine, Charles University, Prague, Czech Republic. [email protected].
3 Department of Radiology, Haga Teaching Hospital, The Hague, Netherlands.
4 Department of General Surgery, Royal Infirmary of Edinburgh, Edinburgh, UK.