1. *Instructor, Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
2. †Graduate Research Student, Department of Dental Anesthesiology and Orofacial Pain Management, Tokyo Medical and Dental University, Tokyo, Japan
3. ‡Associate Professor, Department of Dental Anesthesiology and Orofacial Pain Management, Tokyo Medical and Dental University, Tokyo, Japan