Funding for this research was provided by:
The project was supported by a grant from Tehran University of Medical Sciences.
Text and Data Mining valid from 2020-01-31
Received: 5 August 2019
Accepted: 2 December 2019
First Online: 31 January 2020
Ethics approval and consent to participate
: The study protocol was approved by the ethical committee of Tehran University of Medical Sciences. The study consent forms have been attained from the participants and all participants signed informed consent forms.
: The consent to publish has been obtained from the participant to report individual patient data.
: The authors declare that they have no competing interests.