title: Complex system, simple solutions.
authors.affiliation: University College Hospital, London, UK.
authors.forename: Shireen
authors.initials: S
authors.lastname: Emadossadaty
authors.forename: Bhavini
authors.initials: B
authors.lastname: Shah
authors.forename: Navkiran
authors.initials: N
authors.lastname: Kaur
mesh_terms: D057189:Checklist; D019300:Medical Errors / Q000517:prevention & control; D061214:Patient Safety; D017751:Safety Management / Q000379:methods*; D013514:Surgical Procedures, Operative / Q000379:methods*; D014944:World Health Organization