[1] Med Univ Warsaw, Dept Gen Transplant & Liver Surg, Liver & Internal Med Unit, Banacha 1A, PL-02097 Warsaw, Poland
[2] Pomeranian Med Univ, Dept Clin & Mol Biochem, Szczecin, Poland
[3] Med Univ Warsaw, Dept Gen Transplant & Liver Surg, Warsaw, Poland
[4] Univ Thessaly, Fac Med, Sch Hlth Sci, Larisa, Greece
[5] Warsaw Sch Econ, Warsaw, Poland
[6] Inova Diagnost, San Diego, CA USA
[7] Kings Coll London, Kings Coll Hosp, Sch Med, Div Transplantat Immunol & Mucosal Biol,Liver Sci, London, England