Tonsillar Hypertrophy

• Loma Linda University Professional Building - Murrieta — Murrieta, California, United States
• Loma Linda University ENT/Head & Neck Surgery — Riverside, California, United States
• Pediatric Ear, Nose, and Throat Surgery and Audiology — San Bernardino, California, United States
• SAC Health - ENT Clinic — San Bernardino, California, United States

• Duke University Medical Center — Durham, North Carolina, United States

• Fifth Affiliated Hospital of Sun Yat-sen University — Zhuhai, Guangdong, China

• Gaziosmanpaşa Training and Research Hospital — Istanbul, Turkey (Türkiye)

• Turku University Hospital — Turku, Finland

Not specified

• Spitalul Clinic de Urgență pentru copii "Maria S. Curie" — Bucharest, Romania
• Republican Specialized Scientific-Practical Medical Center of Otorhinolaryngology and Head and Neck Diseases — Tashkent, Uzbekistan

• Saint Mary Hospital — Bucharest, Romania

• Monash Children's Hospital — Clayton, Victoria, Australia
• Royal Children's Hospital / Murdoch Children's Research Institute — Parkville, Victoria, Australia

• Satasairaala — Pori, Satakunta, Finland
• Turku University Hospital — Turku, Southwest Finland, Finland