¹Division of Gastroenterology, Tulane University School of Medicine, New Orleans, Louisiana, USA

²Communications, American College of Gastroenterology, Bethesda, Maryland, USA

³Division of Gastroenterology, Mount Sinai Hospital, Mount Sinai School of Medicine, New York, New York, USA

⁴Division of Gastroenterology, New York University School of Medicine, New York, New York, USA

Correspondence: Jordan J. Karlitz, MD, Division of Gastroenterology, Tulane University School of Medicine, 1430 Tulane Ave, SL-35, New Orleans, Louisiana 70112-2699, USA. E-mail: jkarlitz@tulane.edu

Guarantor of article: Jordan J. Karlitz, MD.

Specific author contributions: Manuscript concept: Jordan J. Karlitz, MD. Drafting of manuscript: Jordan J. Karlitz, MD. Critical revision of manuscript: all authors.

Financial support: None.

Potential competing interests: None.