1 Department of Neurodevelopmental Disorders, National Center of Neurology and Psychiatry, Kodaira, Japan; Research Center for Child Mental Development, Hamamatsu University School of Medicine, Hamamatsu, Japan; United Graduate School of Child Development, Osaka University, Kanazawa University, Hamamatsu University School of Medicine, Chiba University and University of Fukui, Japan. Electronic address: nagahide.takahashi@ncnp.go.jp.
2 Research Center for Child Mental Development, Hamamatsu University School of Medicine, Hamamatsu, Japan; United Graduate School of Child Development, Osaka University, Kanazawa University, Hamamatsu University School of Medicine, Chiba University and University of Fukui, Japan.