1. Military Medical Center “Karaburma”, Belgrade, Serbia
2. Institute for Biological Research “Sinisa Stankovic”, University of Belgrade, Belgrade, Serbia
3. Institute for Medical Research, Military Medical Academy, Belgrade, Serbia
4. Institute for Biochemistry, Faculty of Medicine, University of Nis, Nis, Serbia
5. Faculty of Pharmacy, Institute of Toxicology, Belgrade, Serbia
6. Faculty of Pharmacy, Institute of Organic Chemistry, Belgrade, Serbia