Erika Dawkins Akihiko Michimi Gregory Ellis-Griffith Tina Peterson Daniel Carter Gary English

nayereh azam hajikhani golchin department of midwifery, islamic azad university, gorgan branch, gorgan, ir iran; department of midwifery and reproductive health, shahid beheshti university of medical sciences, tehran, ir iran zeinab hamzehgardeshi department of midwifery, mazandaran university of medical sciences, sari, ir iran; department of midwifery, mazandaran university of medical sciences, sari, ir iran. tel: +98-1512267342-5, fax: +98-1512268915 leila hamzehgardeshi department of family health, public health center, mazandaran university of medical sciences, sari, ir iran mahboobeh shirzad ahoodashti department of internal medicine, mazandaran university of medical sciences, sari, ir iran