Thomas Gerard Cotter1, Matthew William Stier2, Vijaya Lakshmi Rao2. 1. Section of Gastroenterology, Hepatology, & Nutrition, The University of Chicago Medicine, Chicago, IL, USA. thomas.cotter@uchospitals.edu. 2. Section of Gastroenterology, Hepatology, & Nutrition, The University of Chicago Medicine, Chicago, IL, USA.