1. Department of Internal Medicine, Sinai Hospital of Baltimore, Baltimore, MD 21215, USA
2. Center for Interventional Endoscopy (CIE), Advent Health, Orlando, FL 32803, USA
3. Gastroenterology & Hepatology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
4. Department of Gastroenterology, Post Graduate Institute of Medical Education and Research, Chandigarh 160012, India
5. Gastroenterology Unit, Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy
6. Clinical Effectiveness Research Group, Faculty of Medicine, Institute of Health and Society, University of Oslo, 0372 Oslo, Norway