Dmitriy N. Shurpik, Yulia I. Aleksandrova, Olga A. Mostovaya, Viktoriya A. Nazmutdinova, Regina E. Tazieva, Fadis F. Murzakhanov, Marat R. Gafurov, Pavel V. Zelenikhin, Evgenia V. Subakaeva, Evgenia A. Sokolova, Alexander V. Gerasimov, Vadim V. Gorodov, Daut R. Islamov, Peter J. Cragg and Ivan I. Stoikov