About the Authors

Ing-Shiou Hwang

ishwang@mail.ncku.edu.tw

Affiliations Department of Physical Therapy, College of Medicine, National Cheng Kung University, Tainan, Taiwan, Institute of Allied Health Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan

Chien-Ting Huang

Affiliations Department of Physical Therapy, College of Medicine, National Cheng Kung University, Tainan, Taiwan, Institute of Allied Health Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan

Jeng-Feng Yang

Affiliation Department of Physical Therapy, College of Medicine, National Cheng Kung University, Tainan, Taiwan

Mei-Chun Guo

Affiliations Department of Physical Therapy, College of Medicine, National Cheng Kung University, Tainan, Taiwan, Institute of Allied Health Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ISH CTH JFY MCG. Performed the experiments: CTH MCG. Analyzed the data: ISH. Contributed reagents/materials/analysis tools: ISH JFY. Wrote the paper: ISH CTH.