Funding for this research was provided by:
Tehran University of Medical Sciences and Health Services (240/757)
Text and Data Mining valid from 2019-02-04
Received: 25 September 2018
Accepted: 22 January 2019
First Online: 4 February 2019
Compliance with ethical standard
: Author Parisa Sadighara has received research grant from Tehran University of Medical Sciences. The authors Afsaneh Mohajer and Atefeh Araghi declare that they have no conflict of interest.
: This research was in accordance with the ethical standards of Tehran University of Medical Sciences.