title: Author response.
authors.forename: David S
authors.initials: DS
authors.lastname: Zee
authors.forename: Shin C
authors.initials: SC
authors.lastname: Beh
authors.forename: Amir
authors.initials: A
authors.lastname: Kheradmand
mesh_terms: D005260:Female; D006801:Humans; D009103:Multiple Sclerosis / Q000150:complications*; D009759:Nystagmus, Pathologic / Q000628:therapy*; D014732:Vibration / Q000627:therapeutic use*