Authors: Guowei Li; Lehana Thabane; Deborah J Cook; Renato D Lopes; John C Marshall; Gordon Guyatt; Anne Holbrook; Noori Akhtar-Danesh; Robert A Fowler; Neill K J Adhikari; Rob Taylor; Yaseen M Arabi; Dean Chittock; Peter Dodek; Andreas P Freitag; Stephen D Walter; Diane Heels-Ansdell; Mitchell A H Levine Journal: Ann Intensive Care Date: 2016-02-27 Impact factor: 6.925