About the Authors

Hua-Fen Chen

Affiliations Department of Endocrinology, Far Eastern Memorial Hospital, New Taipei City, Taiwan, School of Medicine, Fujen Catholic University, New Taipei City, Taiwan

Ming-Der Liu

Affiliations College of General Education, Hungkuang University, Taichung, Taiwan, Center of General Education, National United University, Miaoli, Taiwan

Peter Chen

Affiliation Department of Gastroenterology, Central Medicine Hospital Group, New Taipei City, Taiwan

Li-Huan Chen

Affiliations Department of Nursing, Yuanpei University, Hsinchu, Taiwan, Graduate Institute of Nursing, Chang Gung University, Taoyuan, Taiwan

Ya-Hui Chang

Affiliation Department and Graduate Institute of Public Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan

Pei-Chun Wen

Contributed equally to this work with: Pei-Chun Wen, Chung-Yi Li

t86004047@mail.ncku.edu.tw

Affiliations Department and Graduate Institute of Public Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan, Department of Dentistry, Buddhist Tzu Chi General Hospital Dalin Branch, Chiayi, Taiwan

Chung-Yi Li

Contributed equally to this work with: Pei-Chun Wen, Chung-Yi Li

Affiliations Department and Graduate Institute of Public Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan, Department of Public Health, College of Public Health, China Medical University, Taichung, Taiwan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HFC MDL PC LHC YHC PCW CYL. Analyzed the data: HFC MDL PC LHC YHC PCW CYL. Contributed reagents/materials/analysis tools: HFC MDL PC LHC YHC PCW CYL. Wrote the paper: HFC MDL PC LHC YHC PCW CYL.