Affiliation: | 1. Department of Psychiatry and Behavioral Sciences, University of Washington, Box 356560, Seattle, WA, 98195-6560, USA 2. Department of Rehabilitation Medicine, University of Washington, Seattle, WA, USA 3. Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, WA, USA 4. Group Health Research Institute, Seattle, WA, USA 5. Geriatric Research, Education, and Clinical Center, Puget Sound Veterans Affairs Medical Center, Seattle, WA, USA 6. Department of Oral Medicine, University of Washington, Seattle, WA, USA 7. Group Health, Seattle, WA, USA
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