1. Department of Psychology, Chapman University, Orange, CA, USA
2. Western Positive Psychology Association, Claremont, CA, USA
3. Department of Psychological Science, University of California, Irvine, CA, USA
4. Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
5. Department of Health Sciences, Chapman University, Orange, CA, USA
6. Department of Marriage and Family Therapy, Chapman University, Orange, CA, USA
7. Cousins Center for Psychoneuroimmunology and Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, CA, USA