1. Interdisciplinary Graduate School of Engineering Science, Kyushu University, Fukuoka 816-8580, Japan
2. Bangladesh Atomic Energy Commission, Dhaka, 1207, Bangladesh
3. West Virginia University, P.O. Box 6103, Morgantown, West Virginia 26506-6103, United States
4. Department of Neurosurgery, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
5. School of Engineering and Technology, Asian Institute of Technology, Pathumthani 12120, Thailand