^○Tomoshiro Ito¹, Eriko Kudo¹, Takeshi Yamazaki¹, Kinnya Hatakeyama¹, Hitomi Sano¹, Keiko Ichimoto², Kei Murayama² (1.Department of Pediatrics, Sapporo city general hospital, Sapporo, Japan, 2.Department of Metabolism, Chiba children's hospital)

^○Takato Akiba^1,2, Shino Shimada^1,3, Shoji Ishida¹, Shinpei Matsuda¹, Natsuki Okawa¹, Yosuke Baba¹, Mitsuru Ikeno¹, Shinpei Abe¹, Toshiaki Shimizu¹, Yasushi Okazaki⁴, Kei Murayama^1,4 (1.Department of Pediatrics, Juntendo University,Tokyo,Japan, 2.Department of Pediatrics, Juntendo University Urayasu Hospital,Chiba,Japan, 3.Department of Pediatrics, NHO shizuoka Institue of Epilepsy and Neurological Disorders National Epilepsy Center,Shizuoka,Japan, 4.Research Center for Diagnosis and Treatment of Intractable Diseases, Juntendo University Graduate School of Medicine,Tokyo,Japan)

^○Yurika Numata-Uematsu¹, Mitsugu Uematsu¹, Atsuo Kikuchi¹, Akira Ohtake², Chika Watanabe³, Hitoshi Osaka³, Ken Inoue⁴ (1.Department of Pediatrics, Tohoku University School of Medicine, Sendai, Japan, 2.Department of Clinical Genomics & Pediatrics, Faculty of Medicine, Saitama Medical University, 3.Department of Pediatrics, Jichi Medical University, 4.Department of Mental Retardation and Birth Defect Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry)

^○Yoshiki Oitani¹, Yoshihiko Saito², Toshiyuki Yamamoto³, Hirotoshi Maeda⁴, Takako Matsumoto⁵, Akihiko Ishiyama⁶, Keiko Ichimoto⁷, Tomofusa Nagata¹, Haruka Tada¹, Keiko Suzuki¹, Kaoru Eto¹, Osamu Segawa⁸, Kei Murayama^7,9, Hisafumi Matsuoka¹ (1.Department of Pediatrics,Tokyo Women's Medical University Adachi Medical Center,Tokyo,Japan, 2.Department of Neuromuscular Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry (NCNP), Tokyo, Japan, 3.Institute of Medical Genetics, Tokyo Women's Medical University, Tokyo, Japan., 4.Medical Incorporated Foundation Harutaka Kai, 5.Department of Pediatrics, Tokyo Metropolitan Health and Hospitals Corporation Tobu Chiiki Hospital Tokyo Japan, 6.Department of Neuropediatrics, Tokyo Metropolitan Neurological Hospital, Tokyo, Japan, 7.Department of Metabolism, Chiba Children's Hospital, Chiba, Japan, 8.Department of Pediatric Surgery, Tokyo Women's Medical University Hospital, Tokyo, Japan., 9.Diagnostics and Therapeutics of Intractable Disease, Intractable Disease Research Center. Juntendo University Faculty of Medicine)

^○Yuri Sonoda¹, Pin Fee Chong¹, Kenta Kajiwara¹, Atsushi Fujita², Yasunari Sakai¹, Naomichi Matsumoto², Shouichi Ohga¹ (1.Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan, 2.Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan)

^○Yasushi Ito^1,2, Hidetsugu Nakatsukasa¹, Yuriko Ogawa¹, Satoshi Nagata¹, Hirokazu Oguni³ (1.Department of Pediatrics, School of Medicine, Tokyo Women's Medical University, Tokyo, Japan, 2.Research Department of Pediatric and Maternal Health, Aiiku Research Institute, Aiiku Maternal & Child Health Center, Tokyo, Japan, 3.Epilepsy Center, TMG Asaka Medical Center, Saitama, Japan)