Mikami and Schad contributed equally to this work and should be considered as co-first authors; publication lists authors alphabetically. This research was supported by grants from the National Institute of Mental Health (R01-MH058066) and National Institute of Child Health and Human Development (R01-HD058305) to Joseph Allen. We are grateful to the adolescents who participated in this study, and many project staff and research assistants who contributed to the data collection.