1 Biomedical Informatics Center, Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA Health Equity and Rural Outreach Innovation Center, Ralph H. Johnson Department of Veterans Affairs Medical Center, Charleston, SC, USA.
2 School of Biomedical Informatics, University of Texas Health Science Center at Houston, Houston, TX, USA Division of General Internal Medicine, Department of Internal Medicine, Medical School, University of Texas Health Science Center at Houston, Houston, TX, USA.
3 Department of Biomedical Informatics, Vanderbilt University, Nashville, TN, USA Department of Medicine, Vanderbilt University, Nashville, TN, USA.