1. Institute of Mechanical Engineering and Institute of Bioengineering
2. Ecole Polytechnique Federale de Lausanne (EPFL)
3. CH-1015 Lausanne
4. Switzerland
5. Wyss Institute of Biologically Inspired Engineering
6. Institute of Materials Science and Engineering
7. EPFL
8. School of Engineering and Applied Sciences
9. Harvard University
10. USA