1. Department of Psychiatry, University of Missouri, Columbia, Missouri
2. Physical Therapy, University of Missouri, Columbia, Missouri
3. Department of Psychological Sciences, University of Missouri, Columbia, Missouri
4. Department of Psychology, Brigham Young University, Provo, Utah
5. Rheumatology and Clinical Immunology, University of Florida, Gainesville, Florida
6. Division of Pulmonary, Critical Care, and Sleep Medicine, Gainesville, Florida
7. Clinical and Health Psychology, University of Florida, Gainesville, Florida