[1] Med Univ Warsaw, Dept Gen Transplant & Liver Surg, Warsaw, Poland
[2] Childrens Mem Hlth Inst, Dept Gastroenterol Hepatol & Eating Disorders, PL-04730 Warsaw, Poland
[3] Silesian Univ Med, Dept Gastroenterol, Katowice, Poland
[4] Inst Clin & Expt Med, Ctr Med Expt, Lab Expt Hepatol, Prague, Czech Republic