Authors: David Moher; Larissa Shamseer; Kelly D Cobey; Manoj M Lalu; James Galipeau; Marc T Avey; Nadera Ahmadzai; Mostafa Alabousi; Pauline Barbeau; Andrew Beck; Raymond Daniel; Robert Frank; Mona Ghannad; Candyce Hamel; Mona Hersi; Brian Hutton; Inga Isupov; Trevor A McGrath; Matthew D F McInnes; Matthew J Page; Misty Pratt; Kusala Pussegoda; Beverley Shea; Anubhav Srivastava; Adrienne Stevens; Kednapa Thavorn; Sasha van Katwyk; Roxanne Ward; Dianna Wolfe; Fatemeh Yazdi; Ashley M Yu; Hedyeh Ziai Journal: Nature Date: 2017-09-06 Impact factor: 49.962