Vladimir P. Rybalkin, Sofiya Y. Zmeeva, Lidiya L. Popova, Anton V. Lisovin, Mikhail E. Kletskii, Oleg N. Burov, Irina V. Dubonosova, Oleg P. Demidov, Olga Y. Karlutova, Evgenii N. Shepelenko, Vitaly A. Podshibyakin, Alexander D. Dubonosov and Vladimir A. Bren