Funding for this research was provided by:
Deputy for Research and Technology, Kermanshah University of Medical Sciences (94539)
Accepted: 19 October 2020
First Online: 27 October 2020
Ethics approval and consent to participate
: All participants gave their signed written informed consent letters. Medical Research and Ethical Committee of Kermanshah university of Medical Sciences (Kermanshah, Iran; registration No. IR. KUMS. REC. 1394. 354; grant number 94539) approved the study performed under ethical principles contained in the 7th and current (2013) editions of Helsinki Declaration.
: Not applicable.
: Authors declare that they have no competing interests.