1. Center for Clinical Research and Carolina's Pain Institute; Winston Salem North Carolina U.S.A
2. Department of Anesthesiology; Wake Forest University; Winston-Salem North Carolina U.S.A
3. Department of Physical Medicine and Rehabilitation; Case Western Reserve University; Cleveland Ohio U.S.A
4. MetroHealth Rehabilitation Institute of Ohio; Cleveland Ohio U.S.A
5. Pain Management Division; Department of Anesthesiology and Critical Care Medicine; Johns Hopkins School of Medicine; Baltimore Maryland U.S.A
6. Walter Reed National Military Medical Center; Bethesda Maryland U.S.A
7. MossRehab; Elkins Park Pennsylvania U.S.A
8. SPR Therapeutics; LLC; Chapel Hill North Carolina U.S.A