Funding for this research was provided by:
Deputy for Research and Technology, Kermanshah University of Medical Sciences (97179)
Received: 1 November 2019
Accepted: 19 March 2020
First Online: 30 March 2020
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of Kermanshah University of Medical Sciences with the code: KUMS.REC.1397.170. In the current study, information was obtained from the patients’ records and their data were kept confidential. Therefore, according to the regulations of the University Ethics Committee, there is no need to obtain a consent from these patients.
: Not applicable.
: The authors declare that they have no competing interests.