West Virginia University - Charleston Area Medical Center

Hospital Universitario Fundación Alcorcón

Liver Research Center, Beijing Friendship Hospital, Capital Medical University, Beijing Key Laboratory of Translational Medicine on Liver Cirrhosis, National Clinical Research Center for Digestive Diseases, Beijing, China;

UCL, London

National Taiwan University Hospital

Johns Hopkins University

Children's Hospital Los Angeles

Mayo Clinic

Indiana University School of Medicine

Indiana University