1 Department of Orthopaedics, University Health Lakewood Medical Center, Kansas City, MO 64139, United States.
2 Department of Physical Medicine and Rehabilitation, Vanderbilt University Medical Center, Nashville, TN 37212, United States.
3 Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Jacksonville, FL 32224, United States.
4 Pain Diagnostic and Interventional Care, Sewickley, PA 15143, United States.
5 Department of Anesthesiology, University of Virginia Medical Center, Charlottesville, VA 22903, United States.
6 Departments of Anesthesiology, Neurobiology and Anatomy, Wake Forest University School of Medicine, Winston-Salem, NC 27101, United States.
7 Departments of Anesthesiology, Neurology, Physical Medicine & Rehabilitation, and Psychiatry, Johns Hopkins School of Medicine, Baltimore, MD 21205, United States.
8 Department of Radiology, University of California San Francisco, San Francisco, CA 94143, United States.
9 Department of Physical Medicine and Rehabilitation, University of Utah School of Medicine, Salt Lake City, UT 84132, United States.