1. Hospital Universitario de la Princesa, Madrid, and Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Spain
2. Bridge Medical Centre, West Sussex, UK
3. Athens Medical Center, Athens, Greece
4. Haukeland University Hospital, Bergen, Norway
5. Karolinska Institute, Huddinge/Stockholm, Sweden
6. Klinikum Salzgitter GmbH, Salzgitter, Germany
7. AstraZeneca, Madrid, Spain