Text and Data Mining valid from 2020-02-25
Received: 26 May 2019
Accepted: 10 February 2020
First Online: 25 February 2020
Ethics approval and consent to participate
: The current research was approved by the Ethics Committee of Shahid Sadoughi University of Medical Sciences, Yazd, Iran (Ethical approval code: IR.SSU.REC.1393.7341, Date: July 8, 2014). Furthermore, informed consents were taken from all the participants.
: Not applicable.
: The authors declare that they have no competing interests.