Text and Data Mining valid from 2020-02-24
Received: 25 November 2019
Accepted: 11 February 2020
First Online: 24 February 2020
Ethics approval and consent to participate
: The study was approval by the local ethics committee of Shiraz University of medical sciences, Shiraz, Iran (IR. SUMS. MED. REC. 1397.86). The informed consent was obtained from all the participants, and informed consent obtained was written.
: Not applicable.
: The authors declare that they have no competing interests.