1. Department of Orthopaedics and Rehabilitation, Division of Physiatry, Yale School of Medicine, Yale New Haven Hospital, New Haven, Connecticut
2. Medical Scientist Training Program, Yale School of Medicine, New Haven, Connecticut
3. Frank H. Netter School of Medicine, Quinnipiac University, Hamden, Connecticut
4. Department of Anesthesia, Critical Care and Pain Medicine, Division of Pain Medicine, Johns Hopkins Hospital, Baltimore, Maryland
5. Department of Anesthesia, Critical Care and Pain Medicine, Division of Pain, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
6. Department of Pain Medicine, Division of Anesthesiology, Critical Care, and Pain Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas
7. Department of Anesthesia, Grady Memorial Hospital, Emory University School of Medicine, Atlanta, Georgia
8. Division of Anesthesiology and Pain Medicine, Kaiser Permanente Northern California, Walnut, Creek, California
9. Department of Anesthesiology, University of Tennessee Graduate School of Medicine, Knoxville, Tennessee
10. Department of Anesthesiology, University of Arkansas for Medical Science, Little Rock, Arkansas
11. Integrated Rehab Consultants, Chicago, Illinois
12. Department of Anesthesia, University of California San Francisco, San Francisco, California, USA