. 2018 Apr 11;17(1):32–38. doi: 10.5114/pm.2018.73791
Copyright: © 2018 Termedia Sp. z o. o.
This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) License, allowing third parties to copy and redistribute the material in any medium or format and to remix, transform, and build upon the material, provided the original work is properly cited and states its license.
Fig. 1.
CONSORT 2010 flow diagram