About the Authors

Zhong-Qi Liu

Affiliation School of Biological Science and Medical Engineering, Beihang University, Beijing, China

Feng Yang

fyang@utep.edu

Affiliation Department of Kinesiology, University of Texas at El Paso, El Paso, TX, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: ZL FY. Formal analysis: FY. Funding acquisition: FY. Investigation: FY. Methodology: ZL FY. Project administration: FY. Resources: FY. Supervision: FY. Validation: FY. Writing – original draft: ZL FY. Writing – review & editing: FY.