1. Department of Electrical Engineering, Hanyang University, Seoul, Republic of Korea
2. Research Institute Engineering and Technology, Hanyang University, Seoul, Republic of Korea
3. Department of Otolaryngology-Head and Neck Surgery, College of Medicine, Hanyang University, Seoul, Republic of Korea
4. School of Communication Design, Hanyang University, Seoul, Republic of Korea
5. Department of Intelligent Robotics, Hanyang University, Seoul, Republic of Korea
6. School of Electrical Engineering, Hanyang University, Seoul, Republic of Korea