| Affiliation: | (1) Pain Research Department, Swedish Medical Center, 550 16th Ave, Providence Professional Building Suite 405, Seattle, WA 98122-5699, USA;(2) Department of Biobehavioral Nursing and Health Systems, University of Washington School of Nursing, 357266, Seattle, WA 98195-1406, USA;(3) Department of Psychiatry and Behavioral Sciences and Department of Rehabilitation Medicine, University of Washington School of Medicine, 356560, Seattle, WA 98195-6560, USA;(4) Office for Nursing Research, University of Washington School of Nursing, 357265, Seattle, WA 98195-7265, USA;(5) Department of Biostatistics, University of Washington School of Public Health and Community Medicine, 357232, Seattle, WA 98195-7232, USA |
