Kozhushko, N. Yu.
Evdokimov, S. A.
Article History
Received: 28 August 2019
Revised: 10 December 2019
Accepted: 3 February 2020
First Online: 7 July 2020
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interests.</i> The authors declare that they have no real or potential conflict of interest.
: <i>Statement of compliance with standards of research involving humans as subjects.</i> All procedures were in accordance with the ethical standards of the 1964 Helsinki Declaration and its later amendments and were approved by the local Ethics Committee at the N.P. Bechtereva Institute of the Human Brain (St. Petersburg). The parents of all individual participants involved in the study voluntarily gave their written informed consent for participation after being informed about potential risk and benefits and the nature of the study.