1. School of Computer Science and Engineering, The University of Aizu, Aizuwakamatsu, Japan
2. Department of Computer Science and Engineering, Rajshahi University of Engineering and Technology, Rajshahi, Bangladesh
3. Department of Neurology, Teikyo University, Tokyo, Japan
4. Department of Neurology, Kyorin University, Tokyo, Japan
5. Department of Medical Physiology, Kyorin University, Tokyo, Japan