^○Satoko Sakakibara, Misaki Sato, Rina Hashimoto, Taiji Katayama, Masakuni Kenjo, Yuki Yokokawa, Yufuko Saito, Ikuko Aiba, Akira Inukai, Satoshi Okuda (Dept. of Neurology, NHO Higashinagoya National Hospital, Japan)

^○Kenichiro Nakamura^1,3, Yuko Watanabe¹, Tomoko Ishikawa¹, Katsumasa Goto¹, Takao Matsuda², Etsuro Matsubara³ (1.Department of Neurology, Nishibeppu National Hospital, Japan, 2.Department of Reproductive Medicine and Genetics, Nichibeppu National Hospital, 3.Department of Neurology, Faculty of Medicine, Oita university, Japan)

^○Kunihiro Ueda¹, Hirokazu Uchigami¹, Takashi Matsukawa^1,2, Akatsuki Kubota¹, Hiroyuki Ishiura¹, Jun Mitsui², Yuji Takahashi³, Jun Goto⁴, Shoji Tsuji^2,5, Tatsushi Toda¹ (1.Department of Neurology, The University of Tokyo Hospital, Japan, 2.Department of Molecular Neurology, Graduate School of Medicine, The University of Tokyo, 3.Department of Neurology, National Center Hospital, National Center of Neurology and Psychiatry, 4.Department of Neurology, International University of Health and Welfare, Mita Hospital, 5.Institute of Medical Genomics, International University of Health and Welfare, School of Medicine)

^○Nobuhiko Ohashi, Ko-ichi Tazawa, Kanji Yamamoto (Department of Neurology, Nagano Municipal Hospital, Japan)

^○Takashi Nakajima¹, Kishimoto Kazuyuki², Kazuhiko Hasegawa² (1.Dept. of Neurology, NHO Niigata National Hospital, Japan, 2.Dept. of Rehabilitation NHO Niigata National Hospital)

^○Kentaro Sahashi¹, Atsushi Hashizume¹, Yachiyo Kuwatsuka², Madoka Chinen³, Ai Saotome³, Masahiko Ando², Masahisa Katsuno¹ (1.Department of Neurology, Nagoya University Graduate School of Medicine, Japan, 2.Department of Advanced Medicine, Nagoya University Hospital, 3.Medical, Biogen Japan Ltd.)

^○Tomohiko Ishihara¹, Takuya Konno¹, Takayoshi Tokutake¹, Kana Inoue², Kenju Hara², Osamu Onodera¹ (1.Brain Research Institute,Niigata University, Neurology, Niigata, Japan, 2.Japanese Red Cross Akita Hospital. Neurology, Akita, Japan)

^○Hitaru Kishida¹, Katsuo Kimura¹, Yuka Kawaguchi¹, Yuuki Matsunaga¹, Naoya Kamimura¹, Masahiro Komoda¹, Masanori Isoda¹, Naohisa Ueda¹, Fumiaki Tanaka² (1.Department of Neurology, Yokohama City Uiversity Medical Center, Japan, 2.Department of Neurology and Stroke Medicine, Yokohama City University Graduate School of Medicine)

^○Kayoko Saito¹, John W Day², Nicolas Deconinck³, Elena Mazzone⁴, Andres Nascimento⁵, Maryam Oskoui⁶, Carole Vuillerot⁷, Giovanni Baranello⁸, Laurent Servais⁹, Marianne Gerber¹⁰, Ksenija Gorni¹⁰, Heidemarie Kletzl¹⁰, Carmen Martin¹⁰, Renata S Sclalco¹⁰, Hannah Staunton¹⁰, Wai Yin Yeung¹⁰, Eugenio Mercuri⁴ (1.Institute of Medical Genetics Tokyo Women's Medical University,Tokyo,Japan, 2.Department of Neurology, Stanford University, Palo Alto, CA, USA, 3.Queen Fabiola Children's University Hospital, ULB, Brussels, Belgium, 4.Paediatric Neurology and Nemo Center, Catholic University and Policlinico Gemelli, Rome, Italy, 5.Neuromuscular Unit, Neuropaediatrics Department, Hospital Sant Joan de Déu, Fundacion Sant Joan de Deu, CIBERER - ISC III, Barcelona, Spain, 6.Departments of Pediatrics and Neurology Neurosurgery, McGill University, Montreal, Canada, 7.Service de Rééducation Pédiatrique Infantile L'Escale, Hôpital Femme Mère Enfant, CHU-Lyon, Université de Lyon, France, 8.The Dubowitz Neuromuscular Centre, NIHR Great Ormond Street Hospital Biomedical Research Centre, Great Ormond Street Institute of Child Health University College London, & Great Ormond Street Hospital Trust, London, UK, 9.MDUK Oxford Neuromuscular Center, Department of Paediatrics, University of Oxford, Oxford, UK, 10.F. Hoffmann-La Roche Ltd, Basel, Switzerland)

^○Takafumi Wataya, Ai Saotome, Sakura Takasaki, Misuzu Hoshino, Haruki Makioka, Genshu Nakamura, Mingshou Jin, Naoto Matsuda (Biogen Japan Ltd., Tokyo, Japan)