Author/Authors :
Heshmati، Hashem نويسنده Department of Public Health, Golestan University of Medical Sciences, Golestan, Iran Heshmati, Hashem , Maghsouldloo، Dorsa نويسنده Department of Public Health, Faculty of Health, Golestan University of Medical Sciences, Gorgan, IR Iran , , Mansourian، Morteza نويسنده Assistant professor of Health Education ,