PT - JOURNAL ARTICLE ED - , TI - Correction AID - 10.3399/bjgp13X671858 DP - 2013 Sep 01 TA - British Journal of General Practice PG - 463--463 VI - 63 IP - 614 4099 - http://bjgp.org/content/63/614/463.3.short 4100 - http://bjgp.org/content/63/614/463.3.full SO - Br J Gen Pract2013 Sep 01; 63