Edith Y Ho1, Siddharth Singh2, Jonathan P Terdiman3. 1. Division of Gastroenterology and Hepatology, Department of Medicine, Stanford University School of Medicine, Stanford, California. 2. Division of Gastroenterology and Division of Biomedical Informatics, Department of Medicine, University of California, San Diego, La Jolla, California. 3. Division of Gastroenterology, University of California, San Francisco, San Francisco, California.