1. ENT Department, Bucharest Emergency University Hospital, 010271 Bucharest, Romania
2. Department of Oncologic Dermatology, ‘Elias’ Emergency University Hospital, ‘Carol Davila’ University of Medicine and Pharmacy, 011461 Bucharest, Romania
3. Department of Anatomy, ‘Carol Davila’ University of Medicine and Pharmacy, 050474 Bucharest, Romania
4. ENT Department, ‘George Emil Palade’ University of Medicine, Pharmacy, Science and Technology of Târgu Mureș, 540139 Târgu Mureș, Romania