About the Authors

Ming-Jin Liu

Affiliation Institute of Rehabilitation and Medical Robotics, State Key Lab of Digital Manufacturing Equipment and Technology, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China

Cai-Hua Xiong

chxiong@hust.edu.cn

Affiliation Institute of Rehabilitation and Medical Robotics, State Key Lab of Digital Manufacturing Equipment and Technology, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China

Le Xiong

Affiliation Foisie School of Business, Worcester Polytechnic Institute, Worcester, MA 01609–2280, United States of America

Xiao-Lin Huang

Affiliation Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology, Wuhan, Hubei 430030, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MJL CHX. Performed the experiments: MJL LX. Analyzed the data: LX. Contributed reagents/materials/analysis tools: MJL CHX XLH. Wrote the paper: MJL CHX.