Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2015 Aug 21;94(33):e1339. doi: 10.1097/MD.0000000000001339

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

Copyright © 2015 Wolters Kluwer Health, Inc. All rights reserved.

This is an open access article distributed under the Creative Commons Attribution-NonCommercial License, where it is permissible to download, share and reproduce the work in any medium, provided it is properly cited. The work cannot be used commercially. http://creativecommons.org/licenses/by-nc/4.0

PMC Copyright notice

TABLE 1.

Characteristics of the Study Subjects

graphic file with name medi-94-e1339-g001.jpg