| Institution: | 1. Division of General Internal Medicine, University of Texas Southwestern Medical Center, , Dallas, Texas, USA;2. Division of Hospital Medicine, University of Texas Health Science Center at San Antonio, , San Antonio, Texas, USA;3. South Texas Veterans Health Care System, , San Antonio, Texas, USA;4. Department of Family and Community Medicine, University of North Texas Health Science Center, , Fort Worth, Texas, USA;5. Division of General Internal Medicine and Primary Care, Brigham and Women's Hospital, , Boston, Massachusetts, USA;6. Community Medicine Division, Parkland Health & Hospital System, , Dallas, Texas, USA |
