AUTHOR=Hanson James V. M. , Schippling Sven , Gerth-Kahlert Christina TITLE=Commentary: Outer Retinal Dysfunction on Multifocal Electroretinography May Help Differentiating Multiple Sclerosis From Neuromyelitis Optica Spectrum Disorder JOURNAL=Frontiers in Neurology VOLUME=11 YEAR=2020 URL=https://www.frontiersin.org/journals/neurology/articles/10.3389/fneur.2020.00282 DOI=10.3389/fneur.2020.00282 ISSN=1664-2295