| Affiliation: | 1. Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA;2. Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA;3. Department of Psychology, University at Albany, State University of New York, Albany, New York, USA;4. Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden;5. Gillberg Neuropsychiatry Centre, University of Gothenburg, Göteborg, Sweden;6. Department of Psychiatry, Washington University School of Medicine, St. Louis, Missouri, USA |
