title: Reply to letter to the editor from Berg S, Tullberg T. Letter to the editor regarding Mannion, Brox, Fairbank. Comparison of spinal fusion and nonoperative treatment in patients with chronic low back pain: long-term follow-up of three randomized controlled trials. Spine J 2014;14:1087.
authors.affiliation: Department of Research and Development, Spine Center Division, Schulthess Klinik, Lengghalde 2, 8008 Zürich, Switzerland.
authors.forename: Anne F
authors.initials: AF
authors.lastname: Mannion
authors.affiliation: Department of Orthopedics, Oslo University Hospital, Sognsvannsvn, 0027 Oslo, Norway.
authors.forename: Jens Ivar
authors.initials: JI
authors.lastname: Brox
authors.affiliation: Nuffield Orthopaedic Centre, Oxford University Hospitals, Windmill Rd, Oxford OX3 7HE, UK.
authors.forename: Jeremy C T
authors.initials: JC
authors.lastname: Fairbank
mesh_terms: D015928:Cognitive Behavioral Therapy; D005081:Exercise Therapy; D005260:Female; D006801:Humans; D017116:Low Back Pain / Q000628:therapy*; D008297:Male; D013123:Spinal Fusion