Krasnov, Boris R. http://orcid.org/0000-0002-0382-3331
Shenbrot, Georgy I.
Korallo-Vinarskaya, Natalia P.
Vinarski, Maxim V.
van der Mescht, Luther
Warburton, Elizabeth M.
Khokhlova, Irina S.
Article History
Received: 6 January 2019
Accepted: 5 February 2019
First Online: 18 February 2019
Compliance with ethical standards
: All sampling procedures were in accordance with the national laws and guidelines of USSR and Russian Federation at the time of sampling.
: The authors declare that they have no conflict of interest.