title: Answer to the Letter to the Editor of H. Sarman et al. concerning "the prevalence of depressive symptoms before and after surgery and its association with disability in patients undergoing lumbar spinal fusion" by M. Wahlman et al.; Eur Spine J (2014) 23:129-134.
authors.affiliation: Department of Orthopaedic and Trauma Surgery, Tampere University Hospital, Tampere, Finland, marko.wahlman@fimnet.fi.
authors.forename: M
authors.initials: M
authors.lastname: Wahlman
mesh_terms: D001416:Back Pain / Q000601:surgery*; D003863:Depression / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008159:Lumbar Vertebrae / Q000601:surgery*; D008297:Male; D011183:Postoperative Complications / Q000453:epidemiology*; D013123:Spinal Fusion / Q000523:psychology*