1. Department of Convergence Medicine, Asan Medical Center, University of Ulsan College of Medicine, Biomedical Engineering Research Center, Asan Institute of Life Sciences, Asan Medical Center, Seoul, Republic of Korea
2. Division of Colon and Rectal Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
3. Department of Technology Education, Chungnam National University, Daejeon, Republic of Korea
4. Department of Electrical Engineering, Kwangwoon University, Seoul, Republic of Korea