1. Critical Care and Perioperative Population Health Research Unit, Department of Anesthesiology, Duke University Medical Center, Durham, North Carolina
2. Section of Infectious Diseases, Department of Internal Medicine, Virginia Mason Medical Center, Seattle, Washington
3. Department of Anesthesiology, Duke University, Durham, North Carolina
4. Department of Anesthesia, Perioperative, and Pain Medicine, Brigham and Women’s Hospital, Boston, Massachusetts
5. Anesthesia Service, Durham VA Medical Center, Durham, North Carolina