1. Department of Midwifery and Reproductive Health, Nursing and Midwifery School, Tehran University of Medical Sciences, Tehran, Iran;
2. Department of Internal Medicine, Foundation IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy;
3. Department of Community Health Nursing, Faculty of Nursing, Aja University of Medical Sciences, Tehran, Iran;
4. Sexual and Reproductive Health Research Center, Mazandaran University of Medical Sciences, Sari, Iran