1. Institute of Robotics and Intelligent Systems; ETH Zurich; Zurich CH-8092 Switzerland
2. Department of Mechanical and Automation Engineering; The Chinese University of Hong Kong; Hong Kong SAR China
3. Laboratory of Biosensors and Bioelectronics; ETH Zurich; Zurich CH-8092 Switzerland
4. Cartilage Engineering + Regeneration; ETH Zurich; Zurich CH-8093 Switzerland