1. Comprehensive Center for Pain and Addiction, University of Arizona Health Sciences, Tucson, AZ, United States
2. Department of Family and Community Medicine, College of Medicine, University of Arizona, Tucson, AZ, United States
3. School of Interdisciplinary Health Programs, College of Health and Human Services, Western Michigan University, Kalamazoo, MI, United States
4. Department of Epidemiology and Biostatistics, Mel and Enid Zuckerman College of Public Health, University of Arizona, Tucson, AZ, United States
5. Departments of Anesthesiology,
6. Psychiatry, and
7. Department of Pharmacology, College of Medicine, University of Arizona, Tucson, AZ, United States