1. Department of Otorhinolaryngology, Srinagarind Hospital, Faculty of Medicine Khon Kaen University Khon Kaen Thailand
2. Srinagarind Minimally Invasive Surgery Center of Excellence, Faculty of Medicine Khon Kaen University Khon Kaen Thailand
3. Khon Kaen Head and Neck Oncology Research Khon Kaen Thailand
4. Neurosurgery Unit, Department of Surgery, Srinagarind Hospital, Faculty of Medicine Khon Kaen University Khon Kaen Thailand
5. Department of Anesthesiolology, Srinagarind Hospital, Faculty of Medicine Khon Kaen University Khon Kaen Thailand