title: Erratum to: Prevalence of sleep disturbance in patients with low back pain.
authors.affiliation: Musculoskeletal Division, The George Institute for Global Health, The University of Sydney, PO Box M201, Missenden Road, Sydney, NSW, 2050, Australia. ssaadi@georgeinstitute.org.au
authors.forename: Saad M
authors.initials: SM
authors.lastname: Alsaadi
authors.forename: James H
authors.initials: JH
authors.lastname: McAuley
authors.forename: Julia M
authors.initials: JM
authors.lastname: Hush
authors.forename: Chris G
authors.initials: CG
authors.lastname: Maher