1. Department of Psychiatry, Herbert Wertheim School of Public Health, University of California, San Diego, San Diego, California, USA.
2. Rady Children's Hospital, San Diego, San Diego, California, USA.
3. Department of Neuroscience, Karolinska Institute, Stockholm, Sweden.
4. Department of Psychiatry, University of Utah School of Medicine, Provo, Utah, USA.
5. Department of Neurology, University of Utah School of Medicine, Provo, Utah, USA.
6. Department of Psychology and Neuroscience, Brigham Young University, Provo, Utah, USA.
7. Marital and Family Therapy Program, University of San Diego, San Diego, California, USA.
8. Division of Biostatistics, Herbert Wertheim School of Public Health, University of California, San Diego, San Diego, California, USA.