Shilova, Natalya F.
Livny, Eitan https://orcid.org/0000-0002-3398-5905
Anisimova, Natalia S.
Antonova, Olga P.
Malyugin, Boris E.
Article History
Received: 7 July 2020
Accepted: 5 October 2020
First Online: 22 October 2020
Compliance with ethical standards
:
: All authors of this study declare that they have no conflict of interest.
: All procedures performed were in accordance with the ethical standards of the institutional committee for the use of medical records and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.