1. Division of Internal Medicine Mayo Clinic Rochester Minnesota
2. Hepatology and Liver Transplantation Unit La Fe University Hospital Valencia Spain
3. Division of Biomedical Statistics and Informatics Mayo Clinic Rochester Minnesota
4. Department of Surgery Mayo Clinic Rochester Minnesota
5. Division of Gastroenterology and Hepatology Mayo Clinic Rochester Minnesota
6. Instituto de Investigación Sanitaria La Fe Valencia Spain
7. CIBERehd (Networked Biomedical Research Center in Hepatic and Digestive Disease) Madrid Spain
8. Facultad de Medicina Universidad de Valencia Valencia Spain