1. Department of Knowledge-Converged Super Brain (KSB) Convergence Research, Electronics and Telecommunications Research Institute, Daejeon, South Korea
2. Safety Measurement Institute, Korea Research Institute of Standards and Science, Daejeon, South Korea
3. Department of Rehabilitation Medicine, College of Medicine, Chungnam National University, Daejeon, South Korea
4. School of Creative Convergence, Andong National University, Andong, South Korea