1. Emotion and Development Branch, National Institute of Mental Health Intramural Research Program, Bethesda, MD, USA
2. Uppsala Child and Baby Lab, Department of Psychology, Uppsala University, Uppsala, Sweden
3. Division of Child and Adolescent Psychiatry, New York State Psychiatric Institute, Columbia University, New York, NY, USA
4. Department of Psychology, University of Notre Dame, Notre Dame, IN, USA
5. Department of Psychological and Brain Sciences, Boston University, Boston, MA, USA
6. College of Education, University of Maryland, College Park, MD, USA