Funding for this research was provided by:
Bushehr University of Medical Sciences (IR.BPUMS.REC.1395.123)
Text and Data Mining valid from 2019-08-30
Received: 26 June 2019
Accepted: 13 August 2019
First Online: 30 August 2019
Ethics approval and consent to participate
: The present study was approved by the Ethics Committee of Bushehr University of Medical Sciences, Bushehr, Iran (Ethical approval code: IR.BUMPS.REC.1395.123-2).
: The authors declare that they have no competing interests.