Author/Authors :
Kazemi، Toba نويسنده , , Sharifzadeh، Gholam-Reza نويسنده Department of Epidemiology, Birjand University of Medical Sciences, Birjand, Iran , , Neikhonjy، Samaneh نويسنده Medical Student, Student Research Committee, Birjand University of Medical Science, Birjand, Iran ,