Authors' reply to Hill and Rudd. (23rd September 2014) - Morris, Stephen; Hunter, Rachael M; Ramsay, Angus I G; Boaden, Ruth; McKevitt, Christopher; Perry, Catherine; Pursani, Nanik; Rudd, Anthony G; Turner, Simon J; Tyrrell, Pippa J; Wolfe, Charles D A; Fulop, Naomi J