1 Health Equity and Rural Outreach Innovation Center, Ralph H Johnson VAMC, Charleston, SC, USA.
2 Division of Internal Medicine, Department of Medicine, Medical University of South Carolina, Charleston, SC, USA.
3 Section of Gastroenterology, Ralph H Johnson VAMC, Charleston, SC, USA. synw@musc.edu.
4 Division of Gastroenterology and Hepatology, Department of Medicine, Medical University of South Carolina, Charleston, SC, 29425, USA. synw@musc.edu.