. 2016 Nov 30;28(1):99–106. doi: 10.1097/EDE.0000000000000555
Copyright © 2016 Wolters Kluwer Health, Inc. All rights reserved.
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.
FIGURE.
Study population.