1. Department of Biochemistry,
Faculty of Science, Charles University,
Albertov 2030, 128 40 Prague 2, Czech Republic
2. Second Department of Internal
Medicine, Thomayer University Hospital,
Prague 4, 140 00, Czech Republic
3. Research Group Genetic Alteration
in Carcinogenesis, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
4. Division of Preventive Oncology,
National Center for Tumour Diseases, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany