1. Department of Otolaryngology-Head and Neck Surgery Cardinal Tien Hospital and School of Medicine College of Medicine Fu Jen Catholic University 362, Zhongzheng Rd., Xindian Dist. New Taipei City 23148 Taiwan
2. Department of Otolaryngology-Head and Neck Surgery National Taiwan University Hospital Taipei 100225 Taiwan
3. Department of Internal Medicine Cardinal Tien Hospital and School of Medicine College of Medicine Fu Jen Catholic University 362, Zhongzheng Rd., Xindian Dist. New Taipei City 23148 Taiwan
4. Department of Electrical Engineering National Chin-Yi University of Technology 57, Sec. 2, Zhongshan Rd., Taiping Dist. Taichung 41170 Taiwan
5. Department of Electronics and Electrical Engineering National Yang Ming Chiao Tung University 1001, Daxue Rd. East Dist. Hsinchu 300093 Taiwan