Dmytro Petrychenko(nice), Andrey Mis\'kov(nice), Natalia Honcharyk(nice), Kostiantyn Pylypiuk(nice), Andrew Simon(nice), Olga Malygina(nice), Oleg Sheremet(nice), Inna Kyselova(nice), Sergo Travelian(nice), Family Kuzhel(nice), Viktor Sevidov(nice), Vasil Bodnar(nice), Vasil Bodnar(important), Vasil Bodnar(interesting), Andrey Bazdyrev(nice), Ludmila Dolner(nice), Oleksandr Kovalchuk(nice), Alexender Zabolotnyy(nice), Alexender Zabolotnyy(interesting), Alex Komarovskiy(nice), Alex Komarovskiy(interesting), Vsevolod Olenich(nice), Vsevolod Olenich(important)