1. Section of Infectious Diseases, Department of Medicine, Baylor College of Medicine, Houston, Texas, USA
2. Center for Innovations in Quality, Effectiveness, and Safety (IQuESt), Michael E. DeBakey Veterans Affairs Medical Center, Houston, Texas, USA
3. Section of Health Services Research, Department of Medicine, Baylor College of Medicine, Houston, Texas, USA
4. Department of Family and Community Medicine, Baylor College of Medicine, Houston, Texas, USA