Author/Authors :
GHONCHEH, Mahshid Dept. of Epidemiology and Biostatistics - School of Public Health - Hamadan University of Medical Sciences, Hamadan , SOLTANI, Shahin Dept. of Health Management and Economics - School of Public Health - Tehran University of Medical Sciences, Tehran , SALEHINIYA, Hamid Minimally Invasive Surgery Research Center - Iran University of Medical Sciences, Tehran