Funding for this research was provided by:
National Institute for Medical Research Development (982678)
Ministry of Health and Medical Education (700/1897)
Received: 4 May 2020
Accepted: 28 July 2020
First Online: 14 August 2020
Ethics approval and consent to participate
: The Institutional Review Board of Tehran University of Medical Sciences (TUMS) approved the research protocol. All participants provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.