1. Department of Molecular Endocrinology, Institute of Endocrinology, Prague, Czech Republic
2. Department of Nuclear Medicine and Endocrinology, 2nd Faculty of Medicine, Charles University and Motol University Hospital, Prague, Czech Republic
3. Departments of Otorhinolaryngology and Head and Neck Surgery, 1st Faculty of Medicine, Charles University and Motol University Hospital, Prague, Czech Republic
4. Department of Ear, Nose and Throat, 2nd Faculty of Medicine, Charles University and Motol University Hospital, Prague, Czech Republic
5. Department of Surgery, 2nd Faculty of Medicine, Charles University and Motol University Hospital, Prague, Czech Republic
6. Department of Pathology and Molecular Medicine, 2nd Faculty of Medicine, Charles University and Motol University Hospital, Prague, Czech Republic
7. Department of Otorhinolaryngology, 3rd Faculty of Medicine, University Hospital Kralovske Vinohrady, Prague, Czech Republic
8. Department of Pathology, 3rd Faculty of Medicine, University Hospital Kralovske Vinohrady, Prague, Czech Republic
9. Department of Otorhinolaryngology and Maxillofacial Surgery, 3rd Faculty of Medicine and Military University Hospital, Prague, Czech Republic
10. Department of Pathology, Military University Hospital, Prague, Czech Republic