Funding for this research was provided by:
Qazvin University of Medical Sciences (0)
Received: 16 January 2020
Accepted: 26 July 2020
First Online: 8 August 2020
Ethics approval and consent to participate
: Sampling was started after securing a medical ethics license under No.:IR.QUMS.REC.1397.230(Ethics Committee of Qazvin University of Medical Sciences) and an informed letter of consent from the participants. In addition, all the items in the Declaration of Helsinki were observed. Written consent was obtained from participants to participate in the study.
: There is no information in this study that dangers the anonymity of the participants. Also, all patients have completed a written consent to participate in the research.
: The authors have no conflict of interests.