[1] Boehringer Ingelheim Canada Ltd, Biol Sci, Laval, PQ, Canada
[2] Hop La Pitie Salpetriere, Serv Hepatogastroenterol, Batiment Clin Med, Paris, France
[3] Hannover Med Sch, Zentrum Innere Med, Abt Gastroenterol Hepatol & Endokrinol, D-30623 Hannover, Germany
[4] Hop St Joseph, Serv Hepatogastroenterol, Marseille, France
[5] Hop Cochin, Unite Hepatol, F-75674 Paris, France
[6] Johannes Gutenberg Univ Mainz, Med Klin & Poliklin 1, Klinikum Johannes Gutenberg, D-6500 Mainz, Germany
[7] Boehringer Ingelheim Pharmaceut Inc, Virol, Ridgefield, CT 06877 USA
[8] Boehringer Ingelheim Pharma GmbH & Co KG, Clin Res, Virol, Biberach, Germany