1. Forensic Laboratory of Biologically Active Substances, Department of Chemistry of Natural Compounds University of Chemistry and Technology Prague Prague 6–Dejvice Czech Republic
2. Department of Brain Electrophysiology National Institute of Mental Health Klecany Czech Republic
3. Institute of Geology of the Czech Academy of Sciences Prague 6 Czech Republic
4. Nuclear Physics Institute of the Czech Academy of Sciences Husinec Czech Republic
5. Department of Organic Chemistry University of Chemistry and Technology Prague Prague 6–Dejvice Czech Republic
6. Department of Experimental Neurobiology National Institute of Mental Health Klecany Czech Republic