1. Department of Pharmacognosy; Lithuanian University of Health Sciences; Sukileliu av. 13 LT-50162 Kaunas Lithuania
2. Department of Biomedicinal Sciences; Siauliai State College; Ausros av. 40 Siauliai LT-76241 Lithuania
3. The Botanical Garden of Šiauliai University; Paitaiciu str. 4 LT-77175 Siauliai Lithuania
4. Department of Analytical and Toxicological Chemistry; Lithuanian University of Health Sciences; Sukileliu av. 13 LT-50162 Kaunas Lithuania