RT Journal Article SR Electronic T1 Carphology JF Practical Neurology JO Pract Neurol FD BMJ Publishing Group Ltd SP 89 OP 89 DO 10.1136/practneurol-2019-002481 VO 20 IS 1 A1 Ben, A Fo YR 2020 UL http://pn.bmj.com/content/20/1/89.abstract AB