Boytsova, Y. A.
Danko, S. G.
Solov’eva, M. L.
Kachalova, L. M.
Kuperman, I. A.
Article History
Received: 19 November 2019
Revised: 3 February 2020
Accepted: 19 April 2020
First Online: 25 January 2021
COMPLIANCE WITH ETHICAL STANDARDS
: Conflict of interests . The authors declare that they have no conflict of interest.
: Statement of compliance with standards of research involving humans as subjects . All studies were conducted in accordance with the principles of biomedical ethics formulated in the 1964 Helsinki Declaration and its later amendments and approved by the local Ethics Committee of the Bekhtereva Institute of the Human Brain (St. Petersburg). Each study participant submitted voluntary informed consent signed by him after explaining to him the potential risks and benefits, as well as the nature of the forthcoming study.