1 Department of Anesthesiology, Mayo Clinic Rochester, Rochester, MN 55905, USA. Electronic address: [email protected].
2 US Anesthesia Partners, 12222 Merit Drive, Dallas, TX 75225, USA; Department of Anesthesiology, Texas A&M College of Medicine, Bryan, TX 77807, USA. Electronic address: [email protected].
3 US Anesthesia Partners-Washington, 1229 Madison Street, Suite 1440, Seattle, WA 98104, USA; Swedish Medical Center, Seattle, WA 98104, USA; Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, WA 98195, USA. Electronic address: [email protected].
4 Vanderbilt University School of Medicine, Nashville, TN 37232, USA. Electronic address: [email protected].