1. Center for Youth Development and Intervention and Department of Psychology, University of Alabama, Tuscaloosa, AL, USA
2. Yale Child Study Center, Yale University, New Haven, CT, USA
3. Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, WA, USA
4. Center for Autism and Brain Development and Department of Psychiatry and Behavioral Sciences, Duke University, Durham, NC, USA
5. The Seattle Clinic, Seattle, WA, USA
6. Boston Children’s Hospital, Harvard Medical School, Boston, MA, USA
7. Department of Pediatrics, University of Washington, Seattle, WA, USA