1. Interdisciplinary Graduate School of Medicine and Engineering; University of Yamanashi; 4-4-37 Takeda Kofu 400-8510 Japan
2. Japan Aerospace Exploration Agency; Tokyo 182-8522 Japan
3. Department of Chemical and Biological Engineering; Ube National College of Technology; 2-14-1 Tokiwadai Ube 755-8555 Japan