Validation of serum neurofilament light chain as a biomarker of Parkinson's Disease progression.

Mollenhauer B, Dakna M, Kruse N, Liu TY, Galasko D, Foroud T, Zetterberg H, Schade S, Gera RG, Wang W, Gao F, Frasier M, Chahine LM, Coffey CS, Singleton AB, Simuni T, Weintraub D, Seibyl J, Toga AW, Tanner CM, Kieburtz K, Marek K, Siderowf A, Cedarbaum JM, Jittem SJ, Trenkwalder C, Graham D.