^○Ryuji Sakakibara^1,2, Setsu Sawai^1,2, Fuyuki Tateno¹, Yosuke Aiba¹ (1.Neurology, Internal Medicine, Sakura Medical Center, Toho University, Japan, 2.Neurology, Chiba University, Japan)

^○Masanori Takahashi¹, Howard James², Bril Vera³, Vu Tuan⁴, Karam Chafic⁵, Tomihiro Imai⁶, Kimiaki Utsugisawa⁷, Akiyuki Uzawa⁸, Guglietta Antonio⁹, Ulrichts Peter⁹, T'joen Caroline⁹, Mantegazza Renato¹⁰, Hiroyuki Murai¹¹, ADAPT Investigator Study Group¹² (1.Department of Neurology, Osaka University Hospital, Japan, 2.Department of Neuroimmunology and Neuromuscular Diseases, Fondazione Istituto Neurologico Carlo Besta, 3.Department of Neurology, School of Medicine, International University of Health and Welfare, Tokyo, Japan, 4.ADAPT Investigator Study Group, 5.Department of Neurology, The University of North Carolina, 6.Krembil Neuroscience Centre, University Health Network, 7.Department of Neurology, University of South Florida, Morsani College of Medicine, 8.Penn Neuroscience Center- Neurology, Hospital of the University of Pennsylvania, 9.National Hospital Organization Hakone Hospital, 10.Department of Neurology, Hanamaki General Hospital, 11.Department of Neurology Graduate School of Medicine, Chiba University, Chiba, Japan, 12.argenx)

^○Hiroyuki Murai¹, Shigeaki Suzuki², Yuji Fukamizu³, Takehiko Osawa³, Hidekazu Kikui³, Kimiaki Utsugisawa⁴ (1.Department of Neurology, International University of Health and Welfare, Narita, Japan, 2.Department of Neurology, Keio University School of Medicine, 3.Alexion Pharma GK, AstraZeneca Rare Disease, 4.Department of Neurology, Hanamaki General Hospital)

^○Rentsenbat Munkhbayar, Enkhtuya Selenge, Khutagbaatar Davaadulam, Jambal Sarangerel (Reflex clinic, Mongolia)