title: Erratum to: A prospective multicenter cohort study of frailty in younger critically ill patients.
authors.affiliation: Division of Critical Care Medicine (University of Alberta Hospital), Faculty of Medicine and Dentistry, University of Alberta, 2-124 Clinical Sciences Building, 8440-112 Street NW, Edmonton, AB, T6G 2B7, Canada. bagshaw@ualberta.ca.
authors.forename: Sean M
authors.initials: SM
authors.lastname: Bagshaw
authors.affiliation: Department of Medicine, Faculty of Medicine and Dentistry, University of Alberta, 5-112 Clinical Sciences Building, 8440-112 Street, Edmonton, AB, T6G 2B7, Canada.
authors.forename: Sumit R
authors.initials: SR
authors.lastname: Majumdar
authors.affiliation: Division of Geriatric Medicine, Department of Medicine, Faculty of Medicine and Dentistry, University of Alberta, 13-103 Clinical Sciences Building, 8440-112 Street, Edmonton, AB, T6G 2B7, Canada.
authors.forename: Darryl B
authors.initials: DB
authors.lastname: Rolfson
authors.affiliation: Population Health Research Institute, McMaster University, 237 Barton Street East, Hamilton, ON, L8L 2X2, Canada.
authors.forename: Quazi
authors.initials: Q
authors.lastname: Ibrahim
authors.affiliation: Department of Medicine, Faculty of Medicine and Dentistry, University of British Columbia, 317-2194 Health Sciences Mall, Vancouver, BC, V6T 1Z3, Canada.
authors.forename: Robert C
authors.initials: RC
authors.lastname: McDermid
authors.affiliation: Department of Critical Care Medicine, Faculty of Medicine, University of Calgary, 2500 University Drive NW, Calgary, AB, T2N 1 N4, Canada.
authors.forename: H Tom
authors.initials: HT
authors.lastname: Stelfox