1. Department of Organic Chemistry, Faculty of Science, Palacký University, 17. Listopadu 12, 77146 Olomouc, Czech Republic
2. JEOL (U.K.) Ltd, JEOL House, Silver Court, Watchmead, Welwyn Garden City, Hertfordshire AL7 1LT, UK
3. Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacký University, Hněvotínská 5, 77900 Olomouc, Czech Republic