PT - JOURNAL ARTICLE ED - , TI - Correction AID - 10.3399/bjgp17X688561 DP - 2017 Jan 01 TA - British Journal of General Practice PG - 13--13 VI - 67 IP - 654 4099 - http://bjgp.org/content/67/654/13.3.short 4100 - http://bjgp.org/content/67/654/13.3.full SO - Br J Gen Pract2017 Jan 01; 67