1. Otolaryngology DepartmentAsia Sleep Centre Paragon Singapore
2. Otolaryngology DepartmentClinica Universidad de Navarra Pamplona Spain
3. Ear, Nose, and Throat DepartmentMedical University of Bialystok Bialystok Poland
4. Department of Otolaryngology–Head and Neck SurgeryHillel Yaffe Medical Center, Technion Faculty Medicine Haifa Israel
5. Ear, Nose, and Throat DepartmentHospital Universitario Dr. Peset Valencia Spain
6. Otolaryngology DepartmentNova Specialty Hospital Hyderabad India
7. Ear, Nose, and Throat DepartmentBelle Vue Clinic and Hospital Kolkata India
8. Otolaryngology DepartmentChonnam National University Hospital Gwangju South Korea
9. Biostatistics Unit, School of MedicineNational University Singapore Singapore
10. Medicine FacultyUniversity of Glasgow Glasgow United Kingdom
11. Otolaryngology DepartmentWestern University London Ontario Canada