PT - JOURNAL ARTICLE ED - , TI - Correction AID - 10.3399/bjgp14X681745 DP - 2014 Oct 01 TA - British Journal of General Practice PG - 502--502 VI - 64 IP - 627 4099 - http://bjgp.org/content/64/627/502.2.short 4100 - http://bjgp.org/content/64/627/502.2.full SO - Br J Gen Pract2014 Oct 01; 64