Received: 11 February 2020
Accepted: 14 July 2020
First Online: 20 July 2020
Ethics approval and consent to participate
: All participants were informed about the study and confidentiality protocols. Prior to any study activities, a written informed consent form was obtained from all the participants of the study. All participants were given an information sheet together with the informed consent with the advice that they could revoke their consent at any time without giving any reasons. After securing an approval letter from the Research and Technology Department, the study was approved by the Ethics Committee under No. 4920341301 and registered on the Iran Clinical Trial database (IRCTID: IRCT2013123016006N1). The participants in both groups were ensured that their information would remain confidential throughout the study.
: Not applicable.
: The authors declare that there is no contrast of benefits associated with the manuscript.