1. Social Determinants of Health Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, I.R. Iran.
2. Infertility and Health Reproductive Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, I.R. Iran.
3. Department of Midwifery, Babol Branch, Islamic Azad University, Babol, Iran.
4. Mobility Impairment Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, I.R.Iran.
5. University of Mysore, Mysore, India