^○Takahiro Ikeda¹, Yukifumi Monden¹, Masako Nagashima¹, Hideo Shimoizumi², Hitoshi Osaka¹, Ippeita Dan³, Takanori Yamagata¹ (Department of Pediatrics, Jichi Medical University, Tochigi, Japan¹, Nasu Institute for Developmental Disabilities, International University of H ealth and Welfare Rehabilitation Center, Tochigi, Japan², Applied Cognitive Neuroscience Laboratory, Chuo University, Tokyo, Japan³)

^○Shuhei Suzuki¹, Tomika Kondo¹, Yasunori Oka^{1, 2} (Suzuki Clinic, Osaka, Japan¹, Center for Sleep Medicine, Ehime University Hospital, Toon—shi, Japan²)

^○Hiroshi Wada, Masahisa Funato, Yoshitaka Iijima (Osaka Developmental Rehabilitation Center, Osaka, Japan)

^○Yumi Okoshi¹, Naoyuki Tanuma¹, Michio Fukumizu¹, Rie Miyata², Hiroshi Sakuma², Masaharu Hayashi³ (The Department of Pediatrics, Tokyo Metropolitan Fuchu Medical Center for the Disabled, Tokyo, Japan¹, The Department of Brain Development and Neural Regeneration, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan², School of Nursing, College of Nursing and Nutrition, Shukutoku University, Chiba, Japan³)

^○Yoshifumi Mizuno^{1, 2}, Mingyoung Jung³, Takashi Fujisawa^{2, 4}, Shinichiro Takiguchi¹, Koji Shimada^{2, 4}, Daisuke Saito⁵, Hirotaka Kosaka^{1, 2, 4}, Akemi Tomoda^{1, 2, 4} (The Department of Child and Adolescent Psychological Medicine, University of Fukui Hospital, Fukui, Japan¹, United Graduate School of Child Development, Osaka University, Kanazawa University, Hamamatsu University School of Medicine, Chiba University and University of Fukui, Fukui, Japan², Department of Psychiatry, Harvard Medical School, Harvard University, Charlestown, MA, USA³, Research Center for Child Mental Development, University of Fukui, Fukui, Japan⁴, Research Center for Child Mental Development, Kanazawa University, Kanazawa, Japan⁵)

^○Kimiko Deguchi^{1, 2}, Ken—ichiro Kubo¹, Kazunori Nakajima¹, Ken Inoue^{2, 3} (Department of Anatomy, Keio University School of Medicine, Tokyo, Japan¹, Deguchi Pediatric Clinic, Nagasaki, Japan², National Institute of Neuroscience, NCNP, Dept. of Mental Retardation and Birth Defect Research, Tokyo, Japan³)

^○Satoshi Honjo¹, Shoichiro Ohno^{1, 2} (Department of Pediatrics, National Hospital Organization Fukuoka National Hospital, Fukuoka, Japan¹, Ohno Pediatrics and Internal Medicine Clinic, Nogata, Japan²)