1. Department of Psychiatry, Hallym University, Anyang, South Korea
2. Department of Epidemiology, University of California, Berkeley, California
3. Harold E. Jones Child Study Center, Berkeley, California
4. Department of Child and Family Studies, Yonsei University, Seoul, South Korea
5. Child and Adolescent Psychiatry, University of Chicago, Chicago, Illinois
6. Laboratory of Developmental Neurosciences, Irving B. Harris Center for Developmental Studies, University of Chicago, Chicago, Illinois
7. Sonia Shankman Orthogenic School, Chicago, Illinois