. 2020 Jan 18;11:1–18. doi: 10.5116/ijme.5e01.eb1a
Copyright: © 2020 Jaris Gerup et al.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License which permits unrestricted use of work provided the original work is properly cited. http://creativecommons.org/licenses/by/3.0/
Figure 1.
Selection process of studies