1. Department of Medicine, Case Western Reserve University School of Medicine, University Hospitals Cleveland Medical Center, Cleveland, Ohio
2. Division of Gastroenterology and Liver Disease, Case Western Reserve University School of Medicine, University Hospitals Cleveland Medical Center, Cleveland, Ohio
3. Loyola University Medical Center, Maywood, Illinois
4. Department of Ophthalmology, Case Western Reserve University School of Medicine, University Hospitals Cleveland Medical Center, Cleveland, Ohio