1. Faculty of Military Health Science; University of Defense; Trebesska 1575 50011 Hradec Kralove Czech Republic
2. Central European Institute of Technology; Brno University of Technology; Purkynova 656/123 612 00 Brno Czech Republic
3. Department of Geology and Pedology; Mendel University; Zemedelska 1 613 00 Brno Czech Republic