1. Dept. of Mechanical Engineering, Osaka University, Osaka, Japan
2. Dept. of Mechanical Systems Engineering, Okayama University of Science, Okayama, Japan
3. Dept. of Biosphere-Geosphere Science, Okayama University of Science, Okayama, Japan
4. Dept. of Veterinary Medicine, Okayama University of Science, Okayama, Japan
5. Dept. of Ecology and Evolutionary Biology, University of Toronto, Toronto, Ontario, Canada
6. IHI Jet Service Co., Ltd, Tokyo, Japan