Text and Data Mining valid from 2018-10-15
Received: 24 July 2018
Accepted: 10 October 2018
First Online: 15 October 2018
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: This article does not contain any study with human or animal subjects. In addition, this study was approved by the Ethical Committee of Tehran University of Medical Sciences, International Campus. (No.1396.4241).