1. Biorobotics Laboratory, Department of Mechanical and Aerospace Engineering, Seoul National University, Seoul 151-744, Korea.
2. School of Engineering and Applied Sciences and Wyss Institute for Biologically Inspired Engineering, Harvard University, Cambridge, MA 02138, USA.
3. Micro Fluid Mechanics Laboratory, Department of Mechanical and Aerospace Engineering, Seoul National University, Seoul 151-744, Korea.
4. Laboratory of Behavioral Ecology and Evolution, School of Biological Sciences, Seoul National University, Seoul 151-742, Korea.
5. Institute of Advanced Machines and Design, Seoul National University, Seoul 151-744, Korea.
6. Museum and Institute of Zoology, Polish Academy of Sciences, Warsaw 00-679, Poland.