Text and Data Mining valid from 2019-06-24
Received: 5 October 2018
Accepted: 10 May 2019
First Online: 24 June 2019
: J.F.I., A.O.C. and A.R.B. are employees of Acorda Therapeutics; J.W.F. and M.H.T. were members of the Acorda scientific advisory board at the time that these studies were performed. All other authors declare no competing interests.