About the Authors

Hok Sum Sam Lai

Affiliation Mechanical and Biomedical Engineering, City University of Hong Kong, Tat Chee Avenue, Hong Kong

Feifei Wang

Affiliations State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, 110016, China, University of Chinese Academy of Sciences, Beijing, 100049, China

Yi Li

Affiliation Mechanical and Biomedical Engineering, City University of Hong Kong, Tat Chee Avenue, Hong Kong

Boliang Jia

Affiliation Mechanical and Biomedical Engineering, City University of Hong Kong, Tat Chee Avenue, Hong Kong

Lianqing Liu

Affiliation State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, 110016, China

Wen Jung Li

wenjli@cityu.edu.hk

Affiliation Mechanical and Biomedical Engineering, City University of Hong Kong, Tat Chee Avenue, Hong Kong

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: HSSL YL BJ WJL. Formal analysis: HSSL FFW WJL. Funding acquisition: WJL LL. Investigation: HSSL YL FFW BJ. Methodology: HSSL WJL. Project administration: WJL LL. Resources: WJL. Software: HSSL. Supervision: WJL LL. Validation: FFW WJL. Visualization: HSSL. Writing – original draft: HSSL. Writing – review & editing: HSSL BJ WJL.