Funding for this research was provided by:
Arak University of Medical Sciences
Received: 26 February 2020
Accepted: 4 May 2020
First Online: 19 May 2020
Ethics approval and consent to participate
: The code of ethics of this study is the number IR.ARAKMU.REC.1396.15. We have obtained approval to conduct our study from the ethics committee of Arak University of medical science.
: Not applicable.
: The authors declare that they have no competing interests.