Funding for this research was provided by:
Ahvaz Jundishapur University of Medical Sciences (IR.AJUMS.REC.1394.86)
Article History
Received: 4 November 2016
Accepted: 15 May 2018
First Online: 7 July 2018
Ethics approval and consent to participate
: The design of this study was approved by the Ethics Committee of Ahvaz Jundisahpur University of Medical Sciences (Ref No: IR.AJUMS.REC.1394.86). All participants gave written informed consent to participate in the study.
: Parvin Abedi has been an associate editor of BMC Pregnancy and Childbirth since January 2018. All other authors declare that they have no competing interests.
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