1. University of Rochester School of Medicine and Dentistry, Rochester, New York, USA.
2. Department of Anesthesiology and Pain Medicine, University of Washington, Harborview Injury Prevention and Research Center, Seattle, Washington, USA.
3. Department of Rehabilitation Medicine, University of Washington, Harborview Injury Prevention and Research Center, Seattle, Washington, USA.
4. Harborview Injury Prevention and Research Center, Harborview Medical Center, Seattle, Washington, USA.
5. Harborview Injury Prevention and Research Center, University of Washington School of Social Work, Seattle, Washington, USA.