1Department of Otolaryngology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan 2Department of Speech-Language Pathology, Duquesne University, Pittsburgh, PA 15282, USA 3Department of Audiology and Speech Language Pathology, Mackay Medical College, Taipei 10449, Taiwan 4Department of Otorhinolaryngology, Head and Neck Surgery, Univers...