1. Division of General Internal Medicine, University of Illinois College of Medicine at Peoria, Peoria, IL, USA
2. Department of Internal Medicine, Wilkes-Barre Veterans Affairs Medical Center, Scranton, PA, USA
3. Department of Gastroenterology and Hepatology, Kansas City Veteran Affairs Medical Center, Kansas City, MO, USA
4. Division of General Internal Medicine, NTR University of Health Sciences, Andhra Pradesh, India
5. Division of Medicine, Barnes Jewish Christian Medical Group, Christian Hospital, St. Louis, MO, USA
6. Department of Medicine, Bronx Lebanon Hospital Center, Bronx, NY, USA
7. Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, USA
8. Department of Medicine, MedStar Georgetown University Hospital and MedStar Washington Hospital Center, Washington, DC, USA