1. aDepartment of Family Science, University of Maryland, College Park, Maryland
2. bDepartment of Global and Community Health, George Mason University, Fairfax, Virginia
3. cDepartment of Behavioral and Community Health, University of Maryland, College Park, Maryland
4. dDepartment of Psychology, University of Maryland, College Park, Maryland; and
5. eDepartment of Human Development and Family Sciences, University of Texas at Austin, Austin, Texas