1 Section of Epidemiology and Population Sciences, Department of Medicine, Baylor College of Medicine, Houston, Texas; Dan L Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, Texas. Electronic address: aaron.thrift@bcm.edu.
2 Baylor College of Medicine, Houston, Texas.
3 Section of Epidemiology and Population Sciences, Department of Medicine, Baylor College of Medicine, Houston, Texas.
4 Section of Gastroenterology and Hepatology, Department of Medicine, Baylor College of Medicine, Houston, Texas; Center for Innovations in Quality, Effectiveness and Safety (IQuESt), Michael E DeBakey Veterans Affairs Medical Center, Houston, Texas.