1. Division of Gastroenterology and Hepatology, University of Toledo, Toledo, Ohio, United States
2. Department of Internal Medicine, University of Toledo, Toledo, Ohio, United States
3. Department of Internal Medicine, Promedica Toledo Hospital, Toledo, Ohio, United States
4. Department of Internal Medicine, Hackensack Meridian Health Palisades Medical Center, North Bergen, New Jersey, United States
5. Department of Internal Medicine, Sunrise Hospital and Medical center, Las Vegas, Nevada, United States
6. Mulford Health Sciences Library, University of Toledo, Toledo, Ohio, United States