1. Pain Prevention and Treatment Research Program, Department of Psychiatry and Behavioral Sciences, Duke University, Durham, NC 27708-0187 (USA)
2. Research Institute for Primary Care & Health Sciences, Keele University, North Staffordshire, United Kingdom
3. Duke Clinical Research Institute, Durham, North Carolina, and Department of Orthopaedic Surgery, Duke University, Durham, North Carolina. Dr George is a Catherine Worthingham Fellow of the American Physical Therapy Association