Hua, L H
Donlon, S L
Sobhanian, M J
Portner, S M
Okuda, D T
Article History
Received: 11 August 2014
Revised: 14 October 2014
Accepted: 27 November 2014
First Online: 13 January 2015
Competing interests
: LHH received personal compensation for consulting and speaking activities from Genzyme and TEVA Neuroscience. SLD received personal compensation for consulting, advisory board and speaking activities from Biogen IDEC, Genzyme, Novartis and TEVA Neuroscience. DTO received personal compensation for consulting, advisory board, and speaking activities from Acorda Therapeutics, Genzyme and TEVA Neuroscience. The remaining authors declare no conflict of interest.