Funding for this research was provided by:
Shahid Sadoughi University of Medical Sciences (3602)
Text and Data Mining valid from 2019-04-24
Received: 24 September 2018
Accepted: 8 April 2019
First Online: 24 April 2019
Change Date: 24 May 2019
Change Type: Correction
Change Details: In the original publication of this article , the percent sign at the first row of the Table 2 needs to be deleted. The updated Table 2 is shown below:
Ethics approval and consent to participate
: The Ethics Committee of Shahid Sadoughi University of Medical Sciences approved this study (IR.SSU.SPH.REC.1395.109). All the participants provided verbal informed consent prior to being interviewed, and the Ethics Committee of Shahid Sadoughi University of Medical Sciences approved its procedure.
: Not applicable.
: The authors declare that they have no competing interests.
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