1. Community Based Participatory Research Center, Iranian Institute for Reduction of High-Risk Behaviors, Tehran University of Medical Sciences, Tehran, Iran
2. Department of Midwifery, Babol University of Medical Sciences, Babol, Iran
3. Department of Nursing, Tarbiat Modares University, Tehran, Iran
4. Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran