TY - JOUR T1 - Correction JF - BMJ Open JO - BMJ Open DO - 10.1136/bmjopen-2015-008456corr1 VL - 5 IS - 11 SP - e008456corr1 A2 - , Y1 - 2015/11/01 UR - http://bmjopen.bmj.com/content/5/11/e008456corr1.abstract N2 - Soong J, Poots AJ, Scott S, et al … ER -