RT Journal Article SR Electronic T1 Carphology JF Practical Neurology JO Pract Neurol FD BMJ Publishing Group Ltd SP 259 OP 259 DO 10.1136/practneurol-2018-001979 VO 18 IS 3 A1 A Fo Ben YR 2018 UL http://pn.bmj.com/content/18/3/259.abstract AB