1. Department of Otorhinolaryngology—Head and Neck Surgery United Christian Hospital and Tseung Kwan O Hospital New Territories Hong Kong
2. Department of Otorhinolaryngology, Head and Neck Surgery The Chinese University of Hong Kong, Prince of Wales Hospital Shatin New Territories Hong Kong
3. Department of Imaging and Interventional Radiology Prince of Wales Hospital Shatin New Territories Hong Kong
4. Department of Speech Therapy Prince of Wales Hospital Shatin New Territories Hong Kong