1. Department of Gastroenterology; Hospital Universitario 12 de Octubre; Madrid Spain
2. Unit of Hepatology; Hospital Universitario Gregorio Marañón; CIBERehd; Madrid Spain
3. Department of Nephrology; Hospital Universitario 12 de Octubre; Madrid Spain
4. Department of Gastroenterology; Hospital Universitario Clínico San Carlos; Madrid Spain
5. Department of Gastroenterology; Hospital Universitario Infanta Cristina; Madrid Spain
6. Department of Gastroenterology; Hospital General Universitario de Ciudad Real; Ciudad Real Spain
7. Department of Gastroenterology; Hospital Universitario Fundación Alcorcón; Madrid Spain
8. Department of Gastroenterology; Complejo Asistencial de Segovia; Segovia Spain
9. Department of Gastroenterology; Hospital Universitario del Sureste; Madrid Spain
10. Department of Gastroenterology; Hospital Universitario Infanta Leonor; Madrid Spain