1. Department of Healthcare Epidemiology and Infection Prevention Northwestern Memorial Hospital Chicago Illinois USA
2. Cardiac, Vascular, and Thoracic Stepdown Northwestern Memorial Hospital Chicago Illinois USA
3. Division of Cardiac Surgery, Department of Surgery, Bluhm Cardiovascular Institute Northwestern University Feinberg School of Medicine and Northwestern Medicine Chicago Illinois USA
4. Department of Pathology Northwestern University Feinberg School of Medicine, Clinical Microbiology Laboratory, Northwestern Memorial Hospital and Northwestern University Feinberg School of Medicine Chicago Illinois USA
5. Department of Medicine Division of Infectious Diseases Northwestern University Feinberg School of Medicine Chicago Illinois USA
6. Department of Environmental Services and Patient Escort Northwestern Memorial Hospital Chicago Illinois USA
7. Department of Anesthesiology Northwestern University Feinberg School of Medicine Chicago Illinois USA
8. Cardiac Transplant Intensive Care Unit Northwestern Memorial Hospital Chicago Illinois USA