1. Department of Anesthesiology and Perioperative Medicine, Oregon Health & Science University, Portland, Oregon
2. Department of Anesthesiology and Pain Management, University of Texas, Southwestern Medical Center, Dallas, Texas
3. Department of Anesthesiology, University of Florida–Jacksonville, Jacksonville, Florida
4. Department of Family Medicine and Community Health, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
5. Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota
6. Department of Anesthesiology, Critical Care, and Perioperative Medicine, Henry Ford Health, Detroit, Michigan.