^○Kayoko Saito¹, Day John W², Deconinck Nicolas³, Mazzone Elena S⁴, Nascimento Andres⁵, Oskoui Maryam⁶, Vuillerot Carole⁷, Braid Jessica⁸, Gerber Marianne⁹, Gorni Ksenija⁸, Martin Carmen⁸, Scalco Renata S⁹, Yeung Wai Yin⁸, Mercuri Eugenio⁴ (1.Institute of Medical Genetics, Tokyo Women's Medical University, Japan, 2.Department of Neurology, Stanford University, Palo Alto, CA, USA, 3.Neuromuscular Reference Center, UZ Gent, Ghent, Belgium, 4.Pediatric Neurology Institute, Catholic University and Nemo Pediatrico, Fondazione Policlinico Gemelli IRCCS, Rome, Italy, 5.Neuromuscular Unit, Neuropaediatrics Department, Hospital Sant Joan de Deu, Fundacion Sant Joan de Deu, CIBERER - ISC III, Barcelona, Spain, 6.Departments of Pediatrics and Neurology Neurosurgery, McGill University, Montreal, Canada, 7.Department of Pediatric Physical Medicine and Rehabilitation, Hopital Mere Enfant, CHU-Lyon, Lyon, France, 8.Roche Products Ltd, Welwyn Garden City, UK, 9.F. Hoffmann-La Roche Ltd, Basel, Switzerland)

^○Yasuhiro Takeshima¹, Masson Riccardo², Mazurkiewiczbeldzinska Maria³, Rose Kristy⁴, Servais Laurent⁵, Xiong Hui⁶, Zanoteli Edmar⁷, El-khairi Muna⁸, Gerber Marianne⁹, Gorni Ksenija⁹, Kletzl Heidemarie⁹, Dodman Angela⁹, Gaki Eleni⁸, Darras Basil T¹⁰ (1.Department of Paeditrics, Hyogo College of Medicine, Japan, 2.Department of Neurology, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA, 3.Developmental Neurology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy, 4.Department of Developmental Neurology, Medical University of Gdansk, Gdansk, Poland, 5.Paediatric Gait Analysis Service of New South Wales, The Children's Hospital at Westmead, Sydney, Australia, 6.I-Motion - Hopital Armand Trousseau, Paris, France, 7.Department of Pediatrics, Peking University First Hospital, Beijing, China, 8.Department of Neurology, Faculdade de Medicina, Universidade de Sao Paulo (FMUSP), Sao Paulo, Brazil;, 9.Roche Products Ltd, Welwyn Garden City, UK, 10.F. Hoffmann-La Roche Ltd, Basel, Switzerland)

^○Hisaka Igarashi¹, Mika Komori², Krege John³, Baygani Simin K.³, Vincent Maurice³, Hauck Paula³, Macgregor Anne⁴ (1.Fujitsu Clinic, Kawasaki, Japan, 2.Eli Lilly K.K., Kobe, Japan, 3.Eli Lilly and Company, Indianapolis, USA, 4.Centre for Reproductive Medicine, St. Bartholomew's Hospital, London, UK)

^○Yoshihisa Tatsuoka¹, Mika Komori², Yuka Tanji², Akichika Ozeki², Takao Takeshima³ (1.Tatsuoka Neurology Clinic, Kyoto, Japan, 2.Eli Lilly Japan K.K., 3.Tominaga Hospital, Osaka, Japan)

^○Tomohide Adachi¹, Thapar Manish², Bonkovsky Herbert L³, Monroy Susana⁴, Ross Gayle⁵, Guillen-Navarro Encarna⁶, Cappellini Maria Domenica⁷, Minder Anna-Elisabeth⁸, Liu Shangbin⁹, Sweetser Marianne T⁹, Kuter David J¹⁰ (1.Department of Neurology and General Internal Medicine, Tokyo Saiseikai Central Hospital, Japan, 2.Massachusetts General Hospital, Boston, MA, USA, 3.Thomas Jefferson University, Philadelphia, PA, USA, 4.Wake Forest University/North Carolina Baptist Medical Center, Winston-Salem, NC, USA, 5.Instituto Nacional de Pediatria, Mexico City, Mexico, 6.Royal Melbourne Hospital, Melbourne, Victoria, Australia, 7.Medical Genetics Section, Virgen de la Arrixaca University Hospital, IMIB-Arrixaca, Universidad de Murcia, Murcia, Spain, and CIBERER-ISCIII, Madrid, Spain, 8.University of Milan, Milan, Italy, 9.Division of Endocrinology, Diabetes and Porphyria, Stadtspital Waid und Triemli, Zurich, Switzerland, 10.Alnylam Pharmaceuticals, Cambridge, MA, USA)

^○Yasutaka Murakami¹, Kenichi Todo¹, Yasufumi Gon¹, Shuhei Okazaki¹, Tsutomu Sasaki¹, Kazutaka Uchida², Shinichi Yoshimura², Takeshi Morimoto³, Hideki Mochizuki¹ (1.Department of Neurology, Osaka University Graduate School of Medicine, Japan, 2.Department of Neurosurgery, Hyogo College of Medicine, 3.Department of Clinical Epidemiology, Hyogo College of Medicine)