1. University of Belgrade – Institute of Chemistry, Technology and Metallurgy – National Institute of the Republic of Serbia, Department of Chemistry, Belgrade, Republic of Serbia
2. Department of Molecular and Biomedical Sciences, Jožef Stefan Institute, Ljubljana, Slovenia
3. Institute of Virology, Vaccines and Sera “Torlak”, Belgrade, Republic of Serbia
4. University of Belgrade –Faculty of Chemistry, Department of Biochemistry, Belgrade, Republic of Serbia