title: Letter to the Editor concerning "Cost-effectiveness of conservative versus surgical treatment strategies of lumbar spinal stenosis in the Swiss setting: analysis of the prospective multicenter Lumbar Stenosis Outcome Study (LSOS)" by A. Aichmair et al. (Eur Spine J; 2016. doi:10.1007/s00586-016-4937-y).
authors.affiliation: Pain Clinic, Hospital Universitario Sanitas La Moraleja, Madrid, Spain. marave01@ucm.es.|Department of Pharmacology (Anesthesiology), Schools of Medicine and Odontology, Complutense University, Madrid, Spain. marave01@ucm.es.|Pain Consultants Inc., Madrid, Spain. marave01@ucm.es.
authors.forename: Martín
authors.initials: M
authors.lastname: Avellanal
mesh_terms: D003251:Constriction, Pathologic; D003362:Cost-Benefit Analysis; D006801:Humans; D017063:Outcome Assessment, Health Care; D011446:Prospective Studies; D013130:Spinal Stenosis