1Division of Digestive Diseases and Nutrition, Joy McCann Culverhouse Center for Swallowing Disorders, Department of Internal Medicine, University of South Florida Morsani College of Medicine, Tampa, Florida, USA;
2Division of Gastroenterology, Wake Forest University Baptist Medical Center, Winston-Salem, North Carolina, USA.
Correspondence: Joel E. Richter, MD, MACG. E-mail: Jrichte1@health.usf.edu.
Received August 20, 2018
Accepted November 29, 2018