First Online: 25 May 2017
: N.B.P. has received honoraria and corporate and social responsibility support from Colgate, consultation fees from Calcivis and holds stock in a King's College London spin-out, Reminova. D.T.Z. has received contracted research funding from Johnson & Johnson, GlaxoSmithKline, C3-Jian and Noveome Biotherapeutics. All other authors declare no conflicts of interest.