. 2021 Feb 22;35:27. doi: 10.47176/mjiri.35.27
© 2021 Iran University of Medical Sciences
This is an open-access article distributed under the terms of the Creative Commons Attribution NonCommercial-ShareAlike 1.0 License (CC BY-NC-SA 1.0), which allows users to read, copy, distribute and make derivative works for non-commercial purposes from the material, as long as the author of the original work is cited properly.
Fig. 1.
Flow diagram of included and excluded studies