1. Department of Analytical Chemistry, Faculty of Chemical Engineering, University of Chemistry and Technology, Prague, Czech Republic
2. BIOCEV, First Faculty of Medicine, Charles University, Czech Republic
3. Department of Pediatrics and Adolescent Medicine, First Faculty of Medicine, Charles University and General University Hospital in Prague Ke Karlovu, Prague Czech Republic
4. C2P s.r.o. Jungmannova 101, 503 51 Chlumec nad Cidlinou, Czech Republic