Competing interestsThe authors declare no competing interests.
Ethics approvalThis study was approved by the Medical Ethics Committee of Shahid Sadoughi University of Medical Sciences, Yazd, under the ethics approval code IR.SSU.MEDICINE.REC.1403.261.
Consent to participateWritten informed consent was obtained from all participants prior to sample collection.
Competing interests
The authors declare no competing interests.
Ethics approval
This study was approved by the Medical Ethics Committee of Shahid Sadoughi University of Medical Sciences, Yazd, under the ethics approval code IR.SSU.MEDICINE.REC.1403.261.
Consent to participate
Written informed consent was obtained from all participants prior to sample collection.