1. Center of Advanced Studies, Faculty of Military Health Sciences, University of Defense, Hradec Kralove, Czech Republic
2. Department of Toxicology, Faculty of Military Health Sciences, University of Defense, Hradec Kralove, Czech Republic
3. Department of Chemistry, Faculty of Sciences, J.E. Purkinje University, Usti nad Labem, Czech Republic
4. School of Studies in Chemistry, Pt. Ravishankar Shukla University, Raipur (C.G.), India