About the Authors

Sulin Cheng

Contributed equally to this work with: Sulin Cheng, Petri Wiklund

sulin.cheng@sjtu.edu.cn; sulin.cheng@jyu.fi

Affiliations Exercise Health and Technology Centre, Shanghai Jiao Tong University, Shanghai, China, Department of Health Sciences, University of Jyvaskyla, Jyvaskyla, Finland

Petri Wiklund

Contributed equally to this work with: Sulin Cheng, Petri Wiklund

Affiliation Department of Health Sciences, University of Jyvaskyla, Jyvaskyla, Finland

Reija Autio

Affiliations Department of Signal Processing, Tampere University of Technology, Tampere, Finland, School of Health Sciences, University of Tampere, Tampere, Finland

Ronald Borra

Affiliation Department of Diagnostic Radiology, University of Turku and Turku University Hospital, Turku, Finland

Xiaowei Ojanen

Affiliation Department of Applied Physics, University of Eastern Finland, Kuopio, Finland

Leiting Xu

Affiliations Exercise Health and Technology Centre, Shanghai Jiao Tong University, Shanghai, China, Medical School, Ningbo University, Ningbo, China

Timo Törmäkangas

Affiliation Department of Health Sciences, University of Jyvaskyla, Jyvaskyla, Finland

Markku Alen

Affiliations Department of Health Sciences, University of Jyvaskyla, Jyvaskyla, Finland, Department of Medical Rehabilitation, Oulu University Hospital, Oulu, Finland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SC PW MA. Performed the experiments: SC PW RA RB XO LX TT. Analyzed the data: PW SC RA TT. Contributed reagents/materials/analysis tools: XO RB LX. Wrote the paper: SC PW MA. Principal investigator: SC.