1. Department of Medical IT Convergence Engineering, Kumoh National Institute of Technology, Gumi 730-701, Republic of Korea
2. Department of Applied Chemistry, Kumoh National Institute of Technology, Gumi 730-701, Republic of Korea
3. Biomedical IT Convergence Center, Gumi Electronics and Information Technology Research Institute, Gumi 730-701, Republic of Korea
4. Hanwha Techwin R&D Center, Seongnam-si, Gyeonggi-do 13488, Republic of Korea