Funding for this research was provided by:
Babol University of Medical Sciences
Text and Data Mining valid from 2019-07-26
Received: 31 July 2018
Accepted: 16 July 2019
First Online: 26 July 2019
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of Babol University of Medical Sciences.
: Not applicable.
: The authors declare that they have no competing interests.