1. Center for Child and Family Policy, Duke University, Durham, North Carolina;
2. Department of Psychology, Simon Fraser University and B.C. Children’s Hospital Research Institute, Burnaby, British Columbia;
3. Human Development and Family Studies, Pennsylvania State University, State College, Pennsylvania;
4. Human Development and Family Studies, Auburn University, Auburn, Alabama; and
5. Department of Psychological and Brain Sciences, Indiana University, Bloomington, Indiana