1. Institute of Forensic Medicine and Toxicology First Faculty of Medicine Charles University and General University Hospital in Prague Ke Karlovu 2 121 08 Prague Czech Republic
2. National Institute of Mental Health Topolová 748 250 67 Klecany Czech Republic
3. Department of Internal Medicine Second Faculty of Medicine Charles University V Úvalu 84 150 06 Prague Czech Republic
4. Department of Analytical Chemistry Faculty of Science Charles University Albertov 6 128 43 Prague Czech Republic