Authors
Napas Tanamai
Department of Otorhinolaryngology, Faculty of Medicine, Khon Kaen University,, Khon Kaen, Thailand
Teeraporn Ratanaanekchai
Department of Otorhinolaryngology, Faculty of Medicine, Khon Kaen University,, Khon Kaen, Thailand
Sanguansak Thanaviratananich
Department of Otorhinolaryngology, Faculty of Medicine, Khon Kaen University,, Khon Kaen, Thailand
Kowit Chaisiwamongkol
Department of Anatomy, Faculty of Medicine, Khon Kaen University,, Khon Kaen, Thailand
Thanarat Chantaumpalee
Department of Anatomy, Faculty of Medicine, Khon Kaen University,, Khon Kaen, Thailand