Authors
Thitaree Suwannutsiri
Taksin Hospital, Medical Service Department, Bangkok Metropolitan Administration, Bangkok, Thailand
Peerada Arreenich
Department of Otolaryngology-Head and Neck Surgery, King Chulalongkorn Memorial Hospital, Bangkok, Thailand
Premsuda Sombuntham
Department of Otolaryngology-Head and Neck Surgery, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand