1. Department of Midwifery & Reproductive Health Research Center, Urmia University of Medical Sciences, Urmia, Iran
2. Urmia University of Medical Sciences, Urmia, Iran
3. Neurophysiology Research Center, Urmia University of Medical Sciences, Urmia, Iran
4. Department of Biostatistics & Inpatient’s Safety Research Center, Urmia University of Medical Sciences, Urmia, Iran