Affiliation: | 1. Department of Anesthesiology, University of Wisconsin School of Medicine, Madison, WI, USA;2. Department of Orthopedic Surgery, University of Washington School of Medicine, Seattle, WA, USA;3. Valley Anesthesiology Consultants, Phoenix, AZ, USA;4. Department of Anesthesiology and Pain Medicine, Stanford University School of Medicine, Palo Alto, CA, USA;5. Department of Anesthesiology and Pain Medicine, University of Washington School of Medicine, Seattle, WA, USA |