1. Department of Molecular Endocrinology, Institute of Endocrinology, Prague, Czech Republic
2. Department of Biochemistry, Faculty of Science, Charles University in Prague, Prague, Czech Republic
3. Department of Nuclear Medicine and Endocrinology, 2nd Faculty of Medicine, Charles University and Faculty Hospital Motol, Prague, Czech Republic
4. Department of Pathology and Molecular Medicine, 2nd Faculty of Medicine, Charles University and Faculty Hospital Motol, Prague, Czech Republic
5. Department of Otorhinolaryngology and Head and Neck Surgery, 1st Faculty of Medicine, Charles University and Faculty Hospital Motol, Prague, Czech Republic
6. Department of Surgery, 2nd Faculty of Medicine, Charles University and Faculty Hospital Motol, Prague, Czech Republic
7. Department of ENT, 2nd Faculty of Medicine, Charles University in Prague and Motol University Hospital, Prague, Czech Republic