Corrigendum: Emergence of a novel lineage containing a prophage in emm/M3 group A Streptococcus associated with upsurge in invasive disease in the UK. Issue 11 (30th November 2016) - Al-Shahib, Ali; Underwood, Anthony; Afshar, Baharak; Turner, Claire E.; Lamagni​, Theresa; Sriskandan, Shiranee; Efstratiou, Androulla