[1] Univ Hosp Leipzig, Sect Hepatol, Dept Gastroenterol & Rheumatol, Leipzig, Germany
[2] Univ Milan, CRC AMeA Migliavacca Ctr Liver Dis, Div Gastroenterol & Hepatol, Fdn Irccs Ca Granda Osped Maggiore Policlin, Milan, Italy
[3] Laborpraxis Dessau, Dessau Rosslau, Germany