Jugoslav Karamarković,
University of Niš, Niš, Serbia

Alberto J. Palma,
University of Granada, Spain

Aleksandar Jaksic,
Sievert Consultancy, Cork, Ireland

Antonio M. Lallena,
University of Granada, Spain

Miguel A. Carvajal,
University of Granada, Spain

Marta Anguiano,
University of Granada, Spain

Vladimir Jurišić,
University of Kragujevac, Kragujevac, Serbia

Saša Trenčić,
University of Niš, Niš, Serbia

Isidoro Ruiz,
University of Granada, Spain

Juan Alejandro de la Torre,
University of Granada, Spain

Juan Antonio Moreno,
University of Granada, Spain

Antonio Pousibet,
University of Granada, Spain

Zorana Stojković,
University of Niš, Niš, Serbia

Mila Trenčić,
University of Niš, Niš, Serbia

Marta Vučičević,
University of Niš, Niš, Serbia

Anđela Milenković,
University of Niš, Niš, Serbia

Anja Petrović,
University of Niš, Niš, Serbia

Andjela Spasić,
University of Niš, Niš, Serbia

Tamara Milosavljević,
University of Niš, Niš, Serbia

Nataša Radovanović,
University of Niš, Niš, Serbia