Received: 3 August 2020
Accepted: 24 February 2021
First Online: 1 March 2021
: The study was approved by the Ethics Committee of Tarbiat Modares University of Medical Sciences (IR.MODARES.REC.1399.022). All procedures were in accordance with the ethical standards of the Regional research committee and with the Declaration of Helsinki 1964 and its later amendments. After explaining the study's purposes, written consent assent were collected from all participants and women were informed that their participation were voluntary, confidential, and anonymous, and were apprised of their right to withdraw from the research at any time.
: Not applicable.
: The authors declare no conflict of interest.