Azadeh Sayarifard1, Laleh Ghadirian2. 1. Community and Preventive Medicine, Community Based Participatory Research Center, Iranian Institute for Reduction of High-Risk Behaviors, Center for Academic and Health Policy, Tehran University of Medical Sciences, Tehran, Iran. Electronic address: a-sayarifard@tums.ac.ir. 2. Community and Preventive Medicine, Knowledge Utilization Research Center, Tehran University of Medical Sciences, Tehran, Iran. Electronic address: lghadirianm@tums.ac.ir.