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