1. Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Kralove, Czech Republic
2. Department of Genome Integrity, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czech Republic
3. Laboratory of Immunological and Tumour Models, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czech Republic
4. Genome Integrity Unit, Danish Cancer Society Research Center, Copenhagen, Denmark