Funding for this research was provided by:
Iran University of Medical Sciences (94-04-182-27064)
Text and Data Mining valid from 2019-12-01
Received: 13 July 2019
Revised: 28 October 2019
Accepted: 30 October 2019
First Online: 2 December 2019
Ethics approval and consent to participate
: The study was approved by the ethics committee of Iran University of Medical Sciences (study code 94-04-182-27064).
: Not applicable
: The authors declare that they have no competing interests.