PT - JOURNAL ARTICLE ED - , TI - Correction: <em>Discontinuing disease-modifying therapy in MS after a prolonged relapse-free period: a propensity score-matched study</em> AID - 10.1136/jnnp-2016-313760corr1 DP - 2019 Apr 01 TA - Journal of Neurology, Neurosurgery &amp; Psychiatry PG - e2--e2 VI - 90 IP - 4 4099 - http://jnnp.bmj.com/content/90/4/e2.short 4100 - http://jnnp.bmj.com/content/90/4/e2.full SO - J Neurol Neurosurg Psychiatry2019 Apr 01; 90