Grinevich, A. A.
Chemeris, N. K.
Article History
Received: 29 March 2025
Revised: 20 June 2025
Accepted: 26 June 2025
First Online: 13 October 2025
ETHICS APPROVAL AND CONSENT TO PARTICIPATE
: According to the used databases Normal Sinus Rhythm RR Interval Database, version 1.0.0/ 2003, and RR Interval Time Series from Healthy Subjects, version 1.0.0/2021 [ – ], all studies were conducted in accordance with the principles of biomedical ethics set out in the 1964 Helsinki Declaration and its subsequent amendments and all participants gave written informed consent.
: The authors of this work declare that they have no conflicts of interest.