1Department of Medicine, Center for Esophageal Diseases, Baylor University Medical Center, and Center for Esophageal Research, Baylor Scott & White Research Institute, Dallas, Texas, USA;

2Section of Gastroenterology and Hepatology, Department of Medicine, Baylor College of Medicine, Houston, Texas, USA;

3Center for Innovations in Quality, Effectiveness, and Safety (IQuESt), Michael E DeBakey Veterans Affairs Medical Center, Houston, Texas, USA.

Correspondence: Stuart Jon Spechler, MD. E-mail: [email protected].