. 2020 Dec;61(6):547–555. doi: 10.3325/cmj.2020.61.547
Copyright © 2020 by the Croatian Medical Journal. All rights reserved.
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 1.
Flow diagram of article selection for meta-analysis.