1. Department of Information and Communication Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, Korea.
2. IMEP-LAHC, Grenoble Institute of Technology(Minatec), Grenoble, France.
3. Department of Robotics Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, Korea.
4. Department of Brain and Cognitive Sciences, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, Korea.
5. Department of Applied Physics and Material Science, California Institute of Technology, Pasadena, California.
6. Department of Electrical Engineering Science, University of Oxford, Oxford, United Kingdom.
7. Department of Chemical Engineering and Material Science, Hongik University, Seoul, Korea.