1. Department of Midwifery, Faculty of Nursing and Midwifery, Tabriz Medical Sciences, Islamic Azad University, Tabriz, Iran
2. Department of Midwifery, School of Nursing& Midwifery, Ilam University of Medical Science, Ilam, Iran
3. Department of Midwifery, Karaj Branch, Islamic Azad University, Karaj, Iran