1. Division of Gastroenterology and Hepatology, Indiana University, Indianapolis, Indiana
2. Department of Pediatrics, ProMedica Hospital, Toledo, Ohio
3. Division of Cardiology, University of Iowa, Iowa City, Iowa
4. Department of Internal Medicine, University of Toledo, Toledo, Ohio
5. Department of Internal Medicine, Warren Alpert Medical School, Brown University, Providence, Rhode Island
6. Department of Internal Medicine, St. Vincent Charity Medical Center, Cleveland, Ohio