1. Hepatology, Gastroenterology and Infectious Diseases Department, Kafrelsheikh University, Kafr El-Sheikh, Egypt
2. Hepatology, Gastroenterology, and Infectious Diseases Department, Al-Azhar University, Assiut, Egypt
3. Tropical Medicine and Gastroenterology Department, Faculty of Medicine, Assiut University, Assiut, Egypt
4. Department of Gastroenterology, Sharqia Health Directorate, Sharqia, Egypt
5. Institute of Gastro and liver Diseases, Fortis Hospitals, Ludhiana, India
6. Department of Internal Medicine, Al-Azhar University, Cairo, Egypt
7. Department of Gastroenterology, Hospital Guillermo Kaelin De la Fuente – EsSalud, Lima, Peru
8. Systematic Reviews and Meta-analysis, Clinical Practice Guidelines and Health Technology Assessments Unit, Universidad San Ignacio Loyola, Lima, Peru
9. Tropical Medicine and Infectious Diseases Department, Tanta University, Tanta, Egypt