*Department of Anesthesia and Perioperative Medicine, Mayo Clinic, Phoenix, Arizona
†Department of Anesthesia and Perioperative Care, University of California, San Francisco, San Francisco, California
‡Department of Anesthesiology, University of Colorado, Denver, Colorado
§Department of Anesthesia, University of Iowa, Iowa City, Iowa
∥Department of Anesthesiology and Perioperative Medicine, University of Alabama at Birmingham, Birmingham, Alabama
M.W.H. consults for the American Society of Regional Anesthesia and Pain Medicine. The remaining authors declare that they have nothing to disclose.
Address Correspondence to: Monica W. Harbell, MD, 5777 East Mayo Boulevard, Phoenix, AZ 85054. E-mail: email@example.com