1. Department of Oncology, Palacký University Medical School and Teaching Hospital, Olomouc, Czech Republic
2. Department of Clinical Biochemistry, Palacký University Medical School and Teaching Hospital, Olomouc, Czech Republic
3. Department of Hematology, Palacký University Medical School and Teaching Hospital, Olomouc, Czech Republic
4. Third Department of Medicine, Charles University Medical School and Teaching Hospital, Hradec Králové, Czech Republic