1. Center for Biomedical and Robotics Technology (BART LAB), Faculty of Engineering, Mahidol University, Salaya, Thailand
2. Department of Mechanical Engineering and Science, Kyoto University, Kyoto, Japan
3. Department of Information Science and Engineering, Ritsumeikan University, Kusatsu, Japan
4. Higher School of Information Technology and Intelligent Systems, Kazan Federal University, Kazan, Russian Federation