1. Department of Otorhinolaryngology, ‘Sfantul Andrei’ Emergency Clinical Hospital of Galati, 800578 Galati, Romania
2. Department of Otorhinolaryngology, ‘Cai Ferate’ General Hospital, 800223 Galati, Romania
3. Department of Dermatology, ‘Sfanta Cuvioasa Parascheva’ Clinical Hospital of Infectious Diseases, 800179 Galati, Romania
4. Clinical Surgical Department, Faculty of Medicine and Pharmacy, ‘Dunarea de Jos’ University of Galati, 800010 Galati, Romania