1. Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center Rotterdam, Rotterdam, the Netherlands
2. Department of Gastroenterology, Hepatology, and Endocrinology, Medical School Hannover, Hannover, Germany
3. Toronto Centre for Liver Disease, University Health Network, Toronto, Ontario, Canada
4. Department of Clinical Research, University of Bern, Bern, Switzerland
5. Medizinische Klinik 1, Klinikum der Johann Wolfgang Goethe-Universität, Frankfurt, Germany