Shahinfar, Hossein
Akbarzade, Zahra
Djafari, Farhang
Shab-Bidar, Sakineh
Funding for this research was provided by:
Tehran University of Medical Sciences and Health Services (36721)
Article History
Received: 2 May 2020
Accepted: 4 August 2020
First Online: 13 August 2020
Compliance with ethical standards
:
: Authors declare that they have no conflict of interest.
: This study was conducted according to the guidelines laid down in the Declaration of Helsinki and all procedures involving human subjects were approved by the ethical standards of the Tehran University of Medical Sciences (Ethic Number: ethic Number: IR.TUMS.VCR.REC.1396.2307), who approved the protocol and informed consent form. All participants signed a written informed consent prior to the start of the study.