1. Department of Human Development and Family Studies Purdue University West Lafayette Indiana USA
2. Department of Psychology The George Washington University Washington DC USA
3. Department of Counseling Psychology and Human Services University of Oregon Eugene Oregon USA
4. Child Study Center Yale University New Haven Connecticut USA
5. Department of Psychology University of Pittsburgh Pittsburgh Pennsylvania USA
6. Department of Psychology University of California, Riverside Riverside California USA
7. Department of Psychology Pennsylvania State University University Park Pennsylvania USA