1. Department of Psychology, San Diego State University, San Diego, CA, USA
2. Joint Doctoral Program in Clinical Psychology, San Diego State University and University of California San Diego, San Diego, CA, USA
3. Department of Medicine, University of California Los Angeles, Los Angeles, CA, USA
4. Department of Medicine, University of Washington, Seattle, WA, USA
5. Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
6. Division of Rheumatology, Cedars-Sinai Medical Center, Los Angeles, CA, USA