Funding for this research was provided by:
Tehran University of Medical Sciences (D/96/MB/1837)
Text and Data Mining valid from 2019-06-13
Received: 2 January 2019
Accepted: 30 May 2019
First Online: 13 June 2019
Ethics approval and consent to participate
: This study was approved by the Research and Ethics Committees of the Tehran University of Medical Sciences (TUMS). Ethical Approval Code: IR.TUMS.SPH.REC.1397.222.
: Written informed consent was obtained from the patients or the guardians of the patients participated in this research.
: The authors declare that they have no competing interests.