1. Department of Oral and Maxillo-Facial Surgery, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
2. Department of ENT, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
3. Department of Pathology, Regional Institute of Oncology, 700483 Iasi, Romania
4. Department of Radiology, Clinical Hospital of Rehabilitation, 700661 Iasi, Romania