Igor Kurin(nice), Igor Kurin(interesting), Natali Kim(nice), Maxim Lanin(nice), Timofey Andreev(nice), Timofey Andreev(interesting), Michael Nevski(nice), Aleksey Nesmelov(nice), Elena Shvydun(nice), Vitaliy Butko(nice), Dmitriy Shevtsov(nice), Askar Isabekov(nice), Igor Torgachkin(nice), Anna Golubeva(nice), Khasan Zhurtov(nice), Aleksei Kozlov(nice), Timofey Andreev(important), Sergey L. Volkov(nice), Serg Silan(nice), Dmitry Erokhin(nice), Vasily Stashiba(nice)