[1] British Hosp Buenos Aires, Liver Transplant Unit, Buenos Aires, DF, Argentina
[2] Hosp Italiano Buenos Aires, Buenos Aires, DF, Argentina
[3] Inst Cardiovasc Rosario, Rosario, Argentina
[4] Hosp Italiano Mendoza, Mendoza, Argentina
[5] Fdn Favaloro, Buenos Aires, DF, Argentina
[6] Hosp Aleman, Buenos Aires, DF, Argentina
[7] Novartis Pharmaceut, Buenos Aires, DF, Argentina
[8] Novartis Pharmaceut, E Hanover, NJ USA
[9] Novartis Pharma AG, Basel, Switzerland
[10] Hepato Gastronterol, Cordoba, Argentina