About the Authors

Tsung-Hsien Wu

Affiliation Department of Psychiatry, Chi Mei Medical Center, Liouying, Tainan, Taiwan

Chih-Cheng Chang

Affiliations Department of Psychiatry, Chi Mei Medical Center, Tainan, Taiwan, Health Service and Population Research Department, Institute of Psychiatry, King’s College London, London, United Kingdom, Department of Senior Citizen Service Management, College of Recreation and Health Management, Chia Nan University of Pharmacy and Science, Tainan, Taiwan

Chih-Yin Chen

Affiliations Department of Senior Citizen Service Management, College of Recreation and Health Management, Chia Nan University of Pharmacy and Science, Tainan, Taiwan, Department of Nursing, College of Health Sciences, Chang Jung Christian University, Tainan, Taiwan

Jung-Der Wang

Affiliations Department of Public Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan, Department of Internal Medicine and Occupational Environmental Medicine, National Cheng Kung University Hospital, Tainan, Taiwan

Chung-Ying Lin

cylin36933@gmail.com

Affiliation Department of Public Health, 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: CCC THW. Performed the experiments: CCC THW. Analyzed the data: CYL. Contributed reagents/materials/analysis tools: CYC. Wrote the paper: CYL. Recruited patients: CCC THW. Critically revised the manuscript: CYC CYL JDW.