1. Department of Medicine, Baylor College of Medicine, Houston, TX, USA
2. VA Pittsburgh Healthcare System, VA Center for Medication Safety (VA MedSAFE), Pittsburgh, PA, USA
3. VA Pittsburgh Healthcare System, Center for Health Equity Research and Promotion (CHERP), Pittsburgh, PA, USA
4. Health Services Research and Development Center of Clinical Management Research, VA Ann Arbor, Ann Arbor, MI, USA
5. Michigan Integrated Center for Health Analytics and Medical Prediction (MiCHAMP), Ann Arbor, MI, USA
6. Department of Internal Medicine, Division of Gastroenterology and Hepatology, Michigan Medicine, Ann Arbor, MI, USA
7. Department of Medicine, Section of Gastroenterology and Hepatology, Baylor College of Medicine, Houston, TX, USA