1. Skin Barrier Research Group, Charles University, Faculty of Pharmacy in Hradec Králové, Heyrovského 1203, 500 05Hradec Králové, Czech Republic
2. Faculty of Chemical Technology, University of Chemistry and Technology Prague, Technická 5, 166 28Prague, Czech Republic
3. Heinz Maier-Leibnitz Zentrum (MLZ), Technische Universität München, Lichtenbergstr. 1, 85748Garching, Germany
4. Faculty of Pharmacy, Comenius University Bratislava, Odbojárov 10, 832 32Bratislava, Slovakia
5. Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, Joliot-Curie 6, 141980Dubna, Russia