@article {ascherio2014vitamin,
	title = {Vitamin D as an early predictor of multiple sclerosis activity and progression},
	journal = {JAMA neurology},
	volume = {71},
	number = {3},
	year = {2014},
	pages = {306{\textendash}314},
	publisher = {American Medical Association},
	author = {Ascherio, Alberto and Munger, Kassandra L and White, Rick and K{\"o}chert, Karl and Simon, Kelly Claire and Polman, Chris H and Freedman, Mark S and Hartung, Hans-Peter and Miller, David H and Montalb{\'a}n, Xavier and others}
}
