1. Department of Family Studies and Community Development, College of Liberal Arts Towson University Towson Maryland USA
2. Department of Family Science, School of Public Health University of Maryland College Park Maryland USA
3. Department of Human Development and Quantitative Methodology, College of Education University of Maryland College Park Maryland USA
4. Department of Community and Family Medicine Hennepin County Medical Center Minneapolis Minnesota USA
5. Department of Family Medicine and Community Health, Medical School University of Minnesota Minneapolis Minnesota USA