1 Department of Epidemiology & Reproductive Health, Reproductive Epidemiology Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran.
2 Center for Systems Studies, Hull University Business School (HUBS), Hull York Medical School (HYMS), University of Hull, Hull, UK.
3 Department of Epidemiology & Reproductive Health, Reproductive Epidemiology Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran; Department of Epidemiology, School of Health, Arak University of Medical Sciences, Arak, Iran. Electronic address: Amiralmasi2007@gmail.com.