Kleshnev, E. A.
Frolova, O. V.
Lyakso, E. E.
Article History
Received: 21 July 2023
Revised: 18 January 2024
Accepted: 5 February 2024
First Online: 26 April 2024
ETHICS APPROVAL AND CONSENT TO PARTICIPATE
: All studies were conducted in accordance with the principles of biomedical ethics set out in the 1964 Declaration of Helsinki and its subsequent amendments. They were also approved by the Ethical Committee of St. Petersburg State University, Minutes no. 115-02-3 of April 19, 2023.Each participant (for children, from their parents) in the study gave voluntary written informed consent after being explained the potential risks and benefits and the nature of the forthcoming research.
: The authors of this work declare that they have no conflicts of interest.