1. Universidade de Santiago de Compostela (CLINURSID); Santiago de Compostela Spain
2. Hospital of Santiago de Compostela; Santiago de Compostela Spain
3. University of California-San Francisco; San Francisco CA USA
4. Hospital Ramón y Cajal; Madrid Spain
5. Hospital Curry Cabral; Lisbon Portugal
6. Clinic of Infectious Diseases; University of Modena and Reggio Emilia; Modena Italy
7. Scientific Institute Ospedale San Raffaele; Milan Italy
8. Division of Hepatology; University of Miami-Miller School of Medicine; Miami FL USA
9. CIBERehd; Instituto de Salud Carlos III; Barcelona Spain
10. Hospital Universitario Vall d'Hebron; Barcelona Spain
11. Mount Sinai School of Medicine; New York NY USA
12. Hospital Universitario Puerta de Hierro; Madrid Spain
13. CIBERehd; Instituto de Salud Carlos III; Madrid Spain
14. Hospital General Universitario; Alicante Spain
15. Gilead Sciences; Foster City CA USA