1. N.N. Blokhin National Medical Research Center of Oncology, Ministry of Health of Russia
2. Lapino Clinical Hospital
3. National Medical Research Center for Otorhinolaryngology, Federal Medico-Biological Agency of Russia
4. N.N. Blokhin National Medical Research Center of Oncology, Ministry of Health of Russia; I.M. Sechenov First Moscow State Medical University, Ministry of Health of Russia
5. Moscow Cancer Hospital No. 62, Moscow Healthcare Department