PT - JOURNAL ARTICLE ED - British Journal of General Practice TI - Correction AID - 10.3399/bjgp13X675638 DP - 2013 Dec 01 TA - British Journal of General Practice PG - 632--632 VI - 63 IP - 617 4099 - http://bjgp.org/content/63/617/632.3.short 4100 - http://bjgp.org/content/63/617/632.3.full SO - Br J Gen Pract2013 Dec 01; 63