Author/Authors :
Kazemi، Toba نويسنده , , Shafiee، Fateme-Kobra نويسنده Vali-Asr Hospital, Birjand University of Medical Sciences, Birjand, IR Iran , , Shafiee، Toktam نويسنده Department of Health, Statistics Unit, Birjand University of Medical Sciences, Birjand, IR Iran ,