1Department of Reproductive Health, School of Nursing and Midwifery, Tehran University of Medical Sciences, Tehran, Iran
2Nursing and Midwifery Care Research Center, School of Nursing and Midwifery, Tehran University of Medical Sciences, Tehran, Iran
3Department of Nursing and Midwifery, Rasht Branch, Islamic Azad University, Rasht, Iran
4Epidemiology and Biostatistics Department, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
Copyright © 2020 The Korean Society for Preventive Medicine
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
CONFLICT OF INTEREST
The authors have no conflicts of interest associated with the material presented in this paper.
FUNDING
None.
AUTHOR CONTRIBUTIONS
Conceptualization: ZK, RM, ZR. Data curation: ZR. Formal analysis: ZK, RM, ZR. Funding acquisition: None. Methodology: SN. Project administration: ZK, ZR. Visualization: ZK, ZR. Writing – original draft: ZR. Writing – review & editing: ZK, RM, ZR, SN.