Funding for this research was provided by:
Iran University of Medical Sciences
Text and Data Mining valid from 2019-10-17
Received: 4 March 2019
Revised: 1 September 2019
Accepted: 16 September 2019
First Online: 17 October 2019
Compliance with Ethical Standards
: The protocol was approved by the ethics committee of Iran University of Medical Sciences (IUMS).
: On behalf of all authors, the corresponding author states that there is no conflict of interest.