Funding for this research was provided by:
Shiraz University of Medical Sciences (91-3795)
Received: 3 January 2019
Accepted: 22 October 2019
First Online: 4 November 2019
Ethics approval and consent to participate
: A written informed consent was obtained from all patients for this study, and all the study objectives were briefly described for them. This study was approved by the ethics committee of Shiraz University of Medical Sciences.
: Not applicable.
: The authors declare that they have no competing interests.