1. Department of Dermatology and Venereology, University Hospital Hradec Kralove, 50005 Hradec Kralove, Czech Republic
2. Institute of Clinical Immunology and Allergology, Faculty of Medicine in Hradec Kralove, Charles University in Prague, 50038 Hradec Kralove, Czech Republic
3. Department of Transfusion Medicine, University Hospital Hradec Kralove, 50005 Hradec Kralove, Czech Republic
4. Department of Medical Biophysics, Faculty of Medicine in Hradec Kralove, Charles University in Prague, 50038 Hradec Kralove, Czech Republic
5. Institute of Hygiene and Preventive Medicine, Faculty of Medicine in Hradec Kralove, Charles University in Prague, 50038 Hradec Kralove, Czech Republic
6. Institute of Pathological Physiology, Faculty of Medicine in Hradec Kralove, Charles University in Prague, 50038 Hradec Kralove, Czech Republic