Cedars Sinai Division of Otolaryngology
USA
CHI Villeneuve Saint-Georges
France
Universidade de Aveiro
Portugal
Necker University Hospital
Germany
University of Split
Croatia
Famagusta State Hospital
Cyprus
Cedars-Sinai Medical Center
USA
Private Clinic, Ankara
Turkey
Glan Clwyd Hospital, North Wales
UK
University college London Hospital NHS trust
UK
Betsi Cadwaladr University Health Board
UK
Military University Hospital of Blida
Algeria
Imperial College London
UK
University of Oradea
Romania
Hassan II University,
Morocco
Catholic University of Valencia
Spain
Hebei University of Technology
China
First Medical Center of Chinese, PLA General Hospital
China
Nelson Mandela African Institution of Science and Technology
Thailand
