Department of Otorhinolaryngology, Astana Medical University, Nur-Sultan, Kazachstan
ENT – Head and Neck Surgery Department, Lille University, Lille, France
Department of Otorhinolaryngology, Bogomolets National Medical University, Kiyv, Ukraine
Department of Otorhinolaryngology, Grodno State Medical University, Grodno, Belarus
Radboud Skull Base Centre, Radboudumc, Nijmegen, The Netherlands
University of Miami, USA
Ministry of Health Of Russian Federation State Scientific Clinical Center Of Otorinolaringology, Moscow, Russia
Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Center Zagreb, Zagreb, Croatia
Department of Otolaryngology, Tyumen Medical State University, Tyumen, Russia