1. Department of Gastroenterology
2. Department of Internal Medicine
3. The University of Toledo, College of Medicine and Life Sciences, Toledo, Ohio
4. Department of Internal Medicine, Al Azhar University, New Damietta, Egypt
5. Gastroenterology Department, Corewell health/Willam Beaumont University Hospital, Michigan
6. Division of Gastroenterology, University of Kansas School of Medicine, Kansas City
7. Gastroenterology Department, Southern Illinois University, Springfield, Illinois, USA
8. Pulmonary and Critical Care Department, The University of Toledo