. 2020 Sep 15;9:231. Originally published 2020 Apr 2. [Version 3] doi: 10.12688/f1000research.22940.3
Copyright: © 2020 Birowo P et al.
This is an open access article distributed under the terms of the Creative Commons Attribution Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 1. PRISMA method of article screening.
