Funding for this research was provided by:
Hamadan University of Medical Sciences (9509165364)
Received: 3 July 2018
Accepted: 29 May 2019
First Online: 3 June 2019
Ethics approval and consent to participate
: The study was provided ethical approval by the Hamadan University of Medical Sciences (Grant No: 9509165364).
: Not applicable.
: The authors declare that they have no competing interests.