Prevalence of, and Disability Due to, Multiple Sclerosis and Neuromyelitis Optica Spectrum Disorder in Japan by the Fifth Nationwide Survey.

Watanabe M, Isobe N, Niino M, Nakashima I, Matsushita T, Sakai Y, Nakahara J, Kawachi I, Ochi H, Nakatsuji Y, Nakamura Y, Nakamura K, Sakata K, Matsui M, Kuwabara S, Kira JI; Research Committee of Neuroimmunological Diseases in Japan.