1. Department of Behavioral Sciences and Health Education and
2. Department of Sociology, University of Maryland at College Park, College Park, Maryland 20742
3. Division of Epidemiology and
4. Division of Social and Behavioral Health Sciences, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario M5T 3M7, Canada
5. Department of Health Behavior, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, Chapel Hill, North Carolina 27599
6. Department of Health Management and Policy, College for Public Health and Social Justice, Saint Louis University, St. Louis, Missouri 63104;
7. Center for Medicine, Health, and Society and
8. Institute for Research on Men's Health, Vanderbilt University, Nashville, Tennessee 37240