. 2020 Feb 24;38(4):561–565. doi: 10.5114/ada.2020.93220
Copyright: © 2020 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.
Figure 1.
Flow diagram of the study search and selection process