1. School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
2. School of Mechanical Engineering and, School of Design, Shanghai Jiao Tong University, Shanghai 200240, China
3. College of Engineering, Design, and Computing, University of Colorado Denver, 1201 Larimer Street, Denver, CO 80204
4. Engineering Product Development Pillar and SUTD-MIT International Design Centre, Singapore University of Technology and Design, 8 Somapah Road, Singapore 487372