title: I. Defining persistent post-surgical pain: is an update required?
authors.affiliation: Department of Neuroanaesthesia, Multidisciplinary Pain Center, Copenhagen University Hospitals, Rigshospitalet, Copenhagen, Denmark mads.u.werner@gmail.com.
authors.forename: M U
authors.initials: MU
authors.lastname: Werner
authors.affiliation: Division of Emergencies and Critical Care, Department of Anaesthesiology, Oslo University Hospital and Medical Faculty, University of Oslo, Oslo, Norway.
authors.forename: U E
authors.initials: UE
authors.lastname: Kongsgaard
mesh_terms: D059350:Chronic Pain / Q000175:diagnosis / Q000209:etiology; D006801:Humans; D010147:Pain Measurement / Q000379:methods*; D010149:Postoperative Pain / Q000175:diagnosis* / Q000209:etiology; D011184:Postoperative Period; D009626:Terminology as Topic