Funding for this research was provided by:
Shiraz University of Medical Sciences, Shiraz, Iran
Received: 27 November 2019
Accepted: 22 January 2020
First Online: 3 February 2020
Ethics approval and consent to participate
: This study was approved by the local Ethics Committee of Shiraz University of Medical Science (EC-SUMS Number: 93–6410), Informed consent was obtained from each participants.
: All authors understand that the manuscript will be freely available on the internet and may be seen by the general public
: The authors declare that they have no competing interests.