jafar mehrabi sisakht student research committee, shiraz university of medical sciences, shiraz, ir iran; departments of medical genetics, shiraz university of medical sciences, shiraz, ir iran mohammad bagher khosravi anesthesiology and critical care research center, shiraz university of medical sciences, shiraz, ir iran soheila milani anesthesiology and critical care research center, shiraz university of medical sciences, shiraz, ir iran masoumeh kazemi departments of medical genetics, shiraz university of medical sciences, shiraz, ir iran seyed mohammad bagher tabei departments of medical genetics, shiraz university of medical sciences, shiraz, ir iran; maternal-fetal medicines research center, shiraz university of medical sciences, shiraz, ir iran; department of medical genetics, shiraz university of medical sciences, 7134853185, shiraz, ir iran. tel: +98-7112349610, fax: +98-7112349610

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