Funding for this research was provided by:
Zahedan University of Medical Sciences (1192)
Received: 12 December 2020
Accepted: 22 June 2021
First Online: 30 June 2021
: The study protocol was approved by the Ethics Committee of Zahedan University of Medical Sciences (reference number: IR.ZAUMS.fm.REC.1396.503).
: That each author has seen and approved the content of the submitted manuscript. And every author agrees to publish the manuscript.
: That any affiliations with a direct financial interest in the subject matter or materials discussed in this manuscript are disclosed. The authors have declared that no competing interest exists.