Funding for this research was provided by:
Iran University of Medical Sciences
Received: 9 October 2019
Accepted: 19 November 2019
First Online: 5 December 2019
Ethics approval and consent to participate
: The Ethics Committee of Iran University of Medical Science confirmed the study protocol (Code no. IR.IUMS.REC.1394.26524) and written informed consent was gathered from all participants.
: A written consent to publish the information and data of the participants was obtained.
: The authors declare that they have no competing interests.