Funding for this research was provided by:
International Atomic Energy Agency
Received: 16 July 2020
Accepted: 17 September 2020
First Online: 20 October 2020
Ethics approval and consent to participate
: The present study complies with the ethical standards laid down in the 1964 Declaration of Helsinki and all subsequent revisions. The review board and Ethics Committee of the Institute of Cardiology approved the study, written informed consent was obtained from all patients prior to the inclusion in the study, and patient anonymity was maintained during data analysis.
: Not applicable.
: The authors declare that they have no competing interests.