1. Department of Neurosurgery, Ajou University School of Medicine, Suwon, Republic of Korea
2. Neuroscience Graduate Program, Department of Biomedical Sciences, Graduate School of Ajou University, Suwon, Republic of Korea
3. College of Pharmacy, Sunchon National University, Suncheon, Republic of Korea
4. Radio Technology Research Department, Electronics and Telecommunications Research Institute, Daejeon, Republic of Korea
5. Department of Radio Sciences and Engineering, College of Engineering, Chungnam National University, Daejeon, Republic of Korea
6. School of Electrical and Computer Engineering, Chungbuk National University, Cheongju, Republic of Korea