About the Authors

Yi-Ju Tsai

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

Yi-Ching Yang

Affiliations Department of Family Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan, Department of Family Medicine, Tainan Hospital, Ministry of Health and Welfare, Tainan, Taiwan

Feng-Hwa Lu

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

Pei-Yun Lee

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

I-Ting Lee

Affiliation Department of Rehabilitation, Tainan Municipal An-Nan Hospital-China Medical University, Tainan, Taiwan

Sang-I Lin

lin31@mail.ncku.edu.tw

Affiliation Department of Physical Therapy, 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: SIL YJT YCY FHL. Performed the experiments: SIL YJT YCY ITL PYL. Analyzed the data: SIL YJT ITL PYL. Wrote the paper: SIL YJT YCY FHL PYL.