Funding for this research was provided by:
Ministry of Health and Medical Education of Islamic Republic of Iran and National Institute of Health Research (241M93259)
Received: 30 December 2018
Accepted: 4 September 2019
First Online: 13 September 2019
Ethics approval and consent to participate
: The study was ethically approved by the Ethical Committee of the National Institute for Medical Research Development (NIMAD) (ID: IR.NIMAD.REC.1394.032). Individuals who were willing to participate completed the written informed consent forms.
: Not applicable.
: The authors declare that they have no competing interests.