1. Research Department of Clinical, Educational and Health Psychology UCL London UK
2. Department of Psychological Sciences Birkbeck, University of London London UK
3. Prevention Science Institute University of Oregon Eugene Oregon USA
4. Department of Psychological and Brain Sciences George Washington University Washington District of Columbia USA
5. Department of Psychology University of California Riverside California USA
6. Department of Psychology University of Pittsburgh Pittsburgh Pennsylvania USA
7. Department of Psychology The Pennsylvania State University University Park Pennsylvania USA
8. Yale Child Study Center Yale School of Medicine New Haven Connecticut USA