1. Department of Psychology and Neuroscience, Duke University, Durham, North Carolina
2. Demography Unit, Stockholm University, Stockholm, Sweden
3. Computational Biology, Duke University, Durham, North Carolina
4. Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, England
5. Department of Psychiatry and Behavioral Sciences, Duke University, Durham, North Carolina
6. Sir John Walsh Research Institute, Faculty of Dentistry, University of Otago, Dunedin, New Zealand
7. Dunedin Multidisciplinary Health and Development Research Unit, Department of Psychology, University of Otago, Dunedin, New Zealand