1. Department of Medicine, Baylor College of Medicine, Houston, Texas, USA.
2. Section of Infectious Diseases, Michael E. DeBakey Veterans Affairs Medical Center, Houston, Texas, USA.
3. Section of Endocrinology, Michael E. DeBakey Veterans Affairs Medical Center, Houston, Texas, USA.
4. Section of Infectious Diseases, Baylor College of Medicine, Houston, Texas, USA.
5. Health Services Research, Michael E. DeBakey VA Health Services Research Center of Innovations [IQuESt], Houston, Texas, USA.