Funding for this research was provided by:
Shahid Beheshti University of Medical Sciences (5050)
Text and Data Mining valid from 2020-02-07
Received: 17 September 2019
Accepted: 14 January 2020
First Online: 7 February 2020
Ethics approval and consent to participate
: The study was approved by local ethics committee in Shahid Beheshti University of Medical Sciences as well as registered in the Iranian Registry of Clinical Trials (Trial ID: 18265; Approval code: IRCT2015011020624N1) in September 2015. Consent was taken from patients’ next of kin before inclusion in all cases.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.