1. Department of Psychology, The George Washington University, Washington, DC, USA
2. School of Psychology and Public Health Program, Walden University, Minneapolis, MN, USA
3. AIDS Care Group, Sharon Hill, PA, USA
4. Department of Health Sciences, The University of Missouri, Columbia, SC, USA
5. Student Health Services, University of Pennsylvania, Philadelphia, PA, USA
6. Department of Psychiatry, University of California, San Francisco, CA, USA