1 Division of Gastroenterology, Hepatology, and Nutrition, Indiana University School of Medicine, Indianapolis, Indiana; Richard L. Roudebush VA Medical Center, Indianapolis, Indiana. Electronic address: cklochan@iu.edu.
2 Division of Gastroenterology, The Donald and Barbara Zucker School of Medicine at Hofstra-Northwell, Garden City, New York.
3 Division of Gastroenterology, Hepatology, and Nutrition, The Ohio State University College of Medicine and Wexner Medical Center, Columbus, Ohio.
4 Division of Gastroenterology, University of Rochester Medical Center, Rochester, New York.