1. C2P s.r.o. Jungmannova 101 503 51 Chlumec nad Cidlinou, Czech Republic
2. Department of Pediatrics and Adolescent Medicine, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague 2, Czech Republic
3. BIOCEV, First Faculty of Medicine, Charles University, Prumyslova 595, 252 50 Vestec, Czech Republic
4. Food Research Institute Prague, Radiova 1285/7, 1285/7, Prague 10, Czech Republic