manizhe kalantari meibodi department of medical surgical nursing, school of nursing and midwifery, tabriz university of medical sciences, tabriz, ir iran sima lakdizaji department of medical surgical nursing, school of nursing and midwifery, tabriz university of medical sciences, tabriz, ir iran; department of medical surgical nursing, school of nursing and midwifery, tabriz university of medical sciences, tabriz, ir iran. tel: +98-9144149296, fax: +984114796969 farahnaz abdollahzadeh department of medical surgical nursing, school of nursing and midwifery, tabriz university of medical sciences, tabriz, ir iran hadi hassankhanih department of medical surgical nursing, school of nursing and midwifery, tabriz university of medical sciences, tabriz, ir iran azad rahmani department of medical surgical nursing, school of nursing and midwifery, tabriz university of medical sciences, tabriz, ir iran kathie lasater school of nursing, oregon health and science university, oregon, usa