1. Cardiovascular Reasearch Center, Alborz University of Medical Sciences, Karaj, Iran
2. Midwifery Department, Iranshahr University of Medical Sciences, Iranshahr, Iran
3. Noor Research Center for Ophthalmic Epidemiology, Noor Eye Hospital, Tehran, Iran
4. Midwifery and Reproductive department, School of Nursing and Midwifery, Tehran University of Medical Sciences, Tehran, Iran