1. Alonso-Coello, P. , Schunemann, H. J. , Moberg, J. , Brignardello-Petersen, R. , Akl, E. A. , Davoli, M. , … GRADE Working Group . (2016). GRADE Evidence to Decision (EtD) frameworks: A systematic and transparent approach to making well informed healthcare choices. 1: Introduction. BMJ, 353, i2016.