Document is current

Article History

Received: 14 May 2021

Accepted: 25 June 2021

First Online: 3 July 2021

Declarations

:

: The authors declare that they have no competing interests.

: The study was approved by the decision of the Ethical Committee of the Cardiology Center where it was conducted (protocol № 334). The study is an open controlled clinical trial.

: A written contract was signed with each of the patients, in which they gave their consent to information processing; the contract guaranteed non-disclosure, complete anonymity of information, and observance of moral and ethical norms.

: Informed consent was signed by all patients.