1. Lee Kong Chian School of Medicine NTU‐Imperial College Singapore
2. Department of Otolaryngology St Luke's Medical Center Global City Philippines
3. Department of Otolaryngology‐Head and Neck Surgery and Cancer Research Institute Seoul National University College of Medicine Seoul South Korea
4. Dr. Hussein Labib Dental Clinic Dubai United Arab Emirates
5. Department of Oncology Cho Ray hospital Ho Chi Minh City Vietnam
6. Department of Radiation Oncology Taichung Veterans General Hospital Taichung Taiwan