Oleg Sheremet(nice), Natalia Honcharyk(nice), Natalia Honcharyk(interesting), Yevgen Chernolyev(nice), Inna Kyselova(nice), Dmytro Petrychenko(nice), Dmytro Petrychenko(interesting), Roman Yaremchuk(nice), Roman Yaremchuk(interesting), Sergo Travelian(nice), Alexender Zabolotnyy(nice), Yakov Stepanov(nice), Yakov Stepanov(interesting), Andrey Mis\'kov(nice), Kostiantyn Pylypiuk(nice), Nataliya Kolisnichenko(nice), Nataliya Kolisnichenko(interesting), Vitaliy Mosienko(nice), Vitalii Kazannyk(nice), Valerii Knysh(nice), Nikola Zmievskiy(nice), Vasil Bodnar(nice), Philippe Campeau(nice), Irina Ortik(nice)