1. Department of Internal Medicine, Baylor University Medical Center, Dallas, Texas USA
2. Texas A&M School of Medicine, Baylor University Medical Center, Dallas, Texas USA
3. Department of Biostatistics, Baylor University Medical Center, Dallas, Texas USA
4. Office of Graduate Medical Education, Baylor University Medical Center, Dallas, Texas USA
5. Department of Patient Relations, Baylor University Medical Center, Dallas, Texas USA
6. Department of Infection Control, Baylor University Medical Center, Dallas, Texas USA