1 Department of Medicine, University of Minnesota, Minneapolis, Minnesota, USA.
2 Gastroenterología y Hepatología, Centro de Enfermedades Hepáticas y Digestivas, Bogotá, Colombia.
3 Department of Gastroenterology, Hospital Privado Universitario de Córdoba, Instituto Universitario de Ciencias Biomédicas de Córdoba, Córdoba, Argentina.
4 Department of Gastroenterology and Hepatology, Hospital Eugenio Espejo, Quito, Ecuador.
5 Department of Gastroenterology, Hospital Nacional Edgardo Rebagliati Martins, Lima, Peru.
6 Department of Gastroenterology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile.
7 Graduate Program in Medicine: Hepatology, Federal University of Health Sciences of Porto Alegre, Porto Alegre, Brazil.
8 Department of Gastroenterology and Hepatology, Erasmus Medical Center, Rotterdam, The Netherlands.