Funding for this research was provided by:
Tabriz University of Medical Sciences (5-4-2959)
Received: 31 December 2018
Accepted: 8 September 2020
First Online: 14 September 2020
Ethics approval and consent to participate
: This article has been extracted from a MSc thesis in midwifery and its research project was approved scientifically by research Committee of Tabriz University of Medical Sciences and ethically by the ethic committee of the university (Ethic code: 5-4-2959). Participants who approved to take part in this study offered written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.