LETTERSTO THE EDITOR:Özden, Fatih MScAuthor Information Mugla Sitki Kocman Universitesi, Köyceğiz, Muğla, Turkey. [email protected] The manuscript submitted does not contain information about medical device(s)/drug(s). No funds were received in support of this work. No relevant financial activities outside the submitted work. SPINE: March 1, 2021 - Volume 46 - Issue 5 - p E353 doi: 10.1097/BRS.0000000000003876 Buy Metrics Copyright © 2020 Wolters Kluwer Health, Inc. All rights reserved.