1. Department of Mechanical Engineering, University of Washington, PO Box 352600, Seattle, Washington 98195-2600, USA
2. Lynnwood High School, 18218 North Road, Bothell, Washington 98102, USA
3. The University of Tokyo, 3-8-1, Komaba, Meguro-ku, Tokyo 153-8902, Japan
4. Institute of Space and Astronautical Science, JAXA, Tsurukawa 3-9-7 Machida, Tokyo 195-0061, Japan