Funding for this research was provided by:
Russian Science Foundation (19-74-10092)
Received: 8 July 2020
Accepted: 10 November 2020
First Online: 20 November 2020
Ethics approval and consent to participate
: The protocol has been approved by a local biomedical ethics committee and written informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.