1. Digital Manufacturing and Design CentreSingapore University of Technology and Design Singapore 487372 Singapore
2. Soft Robotics and Biodesign LabRobotics InstituteSchool of Mechanical EngineeringShanghai Jiao Tong University Shanghai 200240 China
3. State Key Laboratory of Mechanical System and VibrationShanghai Jiao Tong University Shanghai 200240 China
4. Science and Math ClusterSingapore University of Technology and Design Singapore 487372 Singapore