title: Multiple sclerosis: sun exposure and vitamin D, ultra-high-field imaging, and B cell clones in the meninges.
authors: Department of Neurology and IFBLMU, University Hospital Munich, Campus Grosshadern, Marchioninistr. 15, 81377 Munich, Germany. Michael.strupp@med.uni-muenchen.de
authors: Michael
authors: M
authors: Strupp