PT - JOURNAL ARTICLE AU - Kristiina Rannikmäe TI - Estonia AID - 10.1136/practneurol-2014-001058 DP - 2015 Apr 01 TA - Practical Neurology PG - 127--130 VI - 15 IP - 2 4099 - http://pn.bmj.com/content/15/2/127.short 4100 - http://pn.bmj.com/content/15/2/127.full SO - Pract Neurol2015 Apr 01; 15