1. Department of Anesthesiology and Perioperative Medicine, UCLA David Geffen School of Medicine, Los Angeles, California
2. Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery, Mayo Clinic, Rochester, Minnesota
3. Department of Anesthesiology, Emory University, Atlanta, Georgia
4. Department of Anesthesia and Critical Care, Moffitt Cancer Center, Tampa, Florida
5. Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota
6. Department of Anesthesiology and Perioperative Medicine; University of Alabama at Birmingham, Birmingham, Alabama
7. Department of Surgery, Duke University School of Medicine, Durham, North Carolina; and
8. Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Phoenix, Arizona.