Author/Authors :
rostami, mehran MSc in Epidemiology - MPH in Prevention and Control of Addiction - Deputy for Treatment - Kermanshah University of Medical Sciences, Kermanshah, Iran , nazparvar, bashir MD, Research Department - Iranian Legal Medicine Organization, Tehran, Iran , rezaiean, shahab Phd in Epidemiology - Research Center for Environmental Determinants of Health - School of Health - Kermanshah University of Medical Sciences, Kermanshah, Iran