Author/Authors :
KHAZAEI, Salman Dept. of Epidemiology & Biostatistics - School of Public Health - Hamadan University of Medical Sciences, Hamadan , MOHAMMADIAN-HAFSHEJANI, Abdollah Dept. of Epidemiology & Biostatistics - School of Public Health - Rafsanjan University of Medical Sciences, Rafsanjan , AHMADI PISHKUHI, Mahin Dept. of Epidemiology & Biostatistics - School of Public Health - Tehran University of Medical Sciences, Tehran , SALEHINIYA, Hamid Dept. of Epidemiology & Biostatistics - School of Public Health - Tehran University of Medical Sciences, Tehran