1. Third Department of Internal Medicine, General University Hospital and 1st School of Medicine, Charles University, Prague - Czech Republic
2. Department of Cardiovascular Surgery, General University Hospital and 1st School of Medicine, Charles University, Prague - Czech Republic
3. Division of Transplant, Department of Surgery, Parkland Memorial Hospital University of Texas Southwestern Medical Center, Dallas - USA
4. Division of Interventional Radiology, Parkland Memorial Hospital University of Texas Southwestern Medical Center, Dallas - USA
5. Renal Unit, San Paolo Hospital, University of Milan, Milan - Italy