. 2017 Dec 27;39(1):1–19. doi: 10.1097/AUD.0000000000000479
Copyright © 2017 The Author(s). Ear & Hearing is published on behalf of the American Auditory Society, by Wolters Kluwer Health, Inc.
This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal.
TABLE 2.
Methodological quality of the included studies
