1. Department of Medicine; University Hospital Case Medical Center; Case Western Reserve University; Cleveland Ohio
2. Division of Gastroenterology; MetroHealth Medical Center; Case Western Reserve University School of Medicine; Cleveland Ohio
3. Department of Medicine, Epidemiology and Biostatistics; MetroHealth Medical Center; Case Western Reserve University School of Medicine; Cleveland Ohio
4. Heart and Vascular Division; MetroHealth Medical Center; Case Western Reserve University School of Medicine; Cleveland Ohio