Funding for this research was provided by:
This study was financially supported by Tabriz University of Medical Sciences in Iran. (code IR.TBZMED.REC.1397.624.)
Received: 9 December 2019
Accepted: 16 July 2020
First Online: 28 July 2020
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of Tabriz University of Medical Sciences under the code IR.TBZMED.REC.1397.624. We followed all Helsinki declaration and national ethical standards. All participants were ensured about the matter of confidentiality, and informed written consent of the participants, and in case of under 16 years old also from their husbands, was obtained before data collection.
: Not applicable.
: The authors declare no competing interests.