Authors: Mohit Bhandari; P J Devereaux; Thomas A Einhorn; Lehana Thabane; Emil H Schemitsch; Kenneth J Koval; Frede Frihagen; Rudolf W Poolman; Kevin Tetsworth; Ernesto Guerra-Farfán; Kim Madden; Sheila Sprague; Gordon Guyatt Journal: BMJ Open Date: 2015-02-13 Impact factor: 2.692