1 Department of Internal Medicine, VA Connecticut Healthcare System, West Haven, CT, USA; Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA; Department of Health Policy and Management, Yale School of Public Health, New Haven, CT, USA. Electronic address: amy.justice2@va.gov.
2 Department of Biostatistics, Yale School of Public Health, New Haven, CT, USA.
3 Section of Digestive Diseases, Yale University School of Medicine, New Haven, CT, USA; Current affiliation: Division of Gastroenterology and Hepatology, University of California, Davis, CA, USA.
4 Department of Internal Medicine, VA Connecticut Healthcare System, West Haven, CT, USA.