Dalibor Barta - University of Žilina, Slovakia

Iveta Cholevová - VŠB - Technical University of Ostrava, Czech Republic

Mečislav Hudeczek - Hudeczek Service s.r.o. Albrechtice, Czech Republic

Martin Kendra - University of Žilina, Slovakia

Svetlana Koniushenko - Immanuel Kant Baltic Federal University, Kaliningrad, Russia

Ewa Wanda Maruszewska - University of Economics in Katowice, Poland

Natalia Serwin - Pomeranian Medical University in Szczecin, Poland

Maria Smetanina - South Ural State Humanitarian Pedagogical University, Chelyabinsk, Russia

Włodzimierz Rosochacki - West Pomeranian University of Technology, Szczecin, Poland