1. Department of Radiology and Toxicology, Faculty of Health and Social Studies, University of South Bohemia Ceske Budejovice, Ceske Budejovice, Czech Republic
2. Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Kralove, Czech Republic
3. Faculty of Informatics and Management, University of Hradec Kralove, Hradec Kralove, Czech Republic
4. College of Life Science, Institute of Biomedicine, Yangtze University, Jingzhou 434025, China