1 Department of Internal Medicine Nephrology and Transplantation Medicine Central Clinical Hospital of the Ministry of Interior, Warsaw, Poland
2 Department of Internal Medicine and Gastroenterology Central Clinical Hospital of the Ministry of Interior Warsaw, Poland
3 Transplantation Institute Medical University of Warsaw Warsaw, Poland
4 Department of Gastrointestinal and Transplantation Surgery Central Clinical Hospital of the Ministry of Interior Warsaw, Poland
5 Department of Surgical Research and Transplantology Mossakowski Medical Research Centre Warsaw, Poland
The authors declare no funding or conflicts of interest.
Address correspondence to: Andrzej Rydzewski, M.D., Klinika Chorób Wewnętrznych, Nefrologii i, Transplantologii, Centralny Szpital Kliniczny, MSW, Wołoska 137, 02-507 Warszawa, Poland.
Received 9 January 2014.
Accepted 9 May 2014.