1. Endemic Medicine Department, Faculty of Medicine, Helwan University, Cairo, Egypt
2. Gastroenterology and Hepatology Department, University Hospital Marques de Valdecilla, Santander, Spain
3. Department of Gastroenterology and Hepatology, Research Institute Valdecilla (IDIVAL), Santander, Spain
4. NAFLD Research Center, Department of Hepatology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
5. Key Laboratory of Diagnosis and Treatment for the Development of Chronic Liver Disease in Zhejiang Province, Wenzhou, China
6. Departamento de Gastroenterología, Escuela de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
7. Division of Gastroenterology, Department of Medicine, Schulich School of Medicine, Western University & London Health Sciences Centre, London, Ontario, Canada
8. Internal Medicine Department, Faculty of Medicine, Cairo University, Cairo, Egypt