1. a Department of Psychology
2. b Center for Health, Intervention, and Prevention , University of Connecticut , Storrs , CT , USA
3. c Departments of Psychology and Obstetrics and Gynecology , University of Western Ontario , London , Ontario , Canada
4. d Department of Allied Health Sciences , University of Connecticut , Storrs , CT , USA
5. e AIDS Program, Section of Infectious Diseases , Yale University School of Medicine , New Haven , CT , USA