Miroslava Tokovska
Department of Health and Exercise, School of Health Sciences, Kristiania University College, Prinsens Gate 7-9, 0152 Oslo,
Norway

Tímea Šeben Zaťková
Department of Education, University of Ss. Cyril and Methodius, Namestie J. Herdu 2, 917 01 Trnava,
Slovakia

Ľubica Jamborová
Slovak Agriculture Library, Slovak University of Agriculture, Trieda A. Hlinku 2, 949 76 Nitra,
Slovakia