1. Graduate School of Bio & Information Technology, Electronic Technology Institute, Hankyong National University, Anseong, Korea.
2. Korea Electrotechnology Research Institute, Ansan, Korea.
3. Department of Plastic & Reconstructive Surgery, Yonsei University College of Medicine, Seoul, Korea.
4. Department of Biomedical Engineering, Chungbuk National University, Cheongjoo, Korea.
5. Department of Medical Engineering, Yonsei University College of Medicine, Seoul, Korea.