1. Department of Chemistry University of Girona Girona Spain
2. Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna “Bruno Ubertini” Brescia Italy
3. Faculty of Pharmacy and Biochemistry, Department of Pharmacognosy University of Zagreb Zagreb Croatia
4. Faculty of Pharmacy and Biochemistry University of Zagreb Zagreb Croatia
5. Faculty of Pharmacy and Biochemistry, Department of Analytical Chemistry University of Zagreb Zagreb Croatia