Funding for this research was provided by:
Shiraz University of Medical Sciences (98-01-07-19594)
Received: 24 April 2019
Accepted: 28 May 2020
First Online: 1 June 2020
Ethics approval and consent to participate
: All participants completed a written informed consent form. Thereby, they informed about the objective and process of the study, and also they were assured of the confidentiality of the data. The protocol of this study was approved by the ethics committee of Shiraz University of Medical Sciences under code IR.SUMS.REC.1399.221.
: Not Applicable
: The authors declare that they have no competing interests.