1. IDIBAPS, Center for Biomedical Research in Respiratory Diseases Network (CIBERES), Barcelona, Spain
2. Facultad de Ciencias de la Salud, Universidad Continental, Huancayo, Peru
3. Liver Unit, Internal Medicine Department, Vall d’Hebron University Hospital, Vall d’Hebron Institute for Research (VHIR), Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (Ciberehd), Barcelona, Spain
4. Health Services Administration, Continental University of Florida, Margate, FL, USA