About the Authors

Fen-Yu Tseng

Affiliations Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan, Department of Internal Medicine, National Taiwan University College of Medicine, Taipei, Taiwan

Wen-Yuan Lin

Affiliations Department of Family Medicine, China Medical University Hospital, Taichung, Taiwan, School of Medicine, China Medical University, Taichung, Taiwan, Graduate Institute of Clinical Medicine Science, China Medical University, Taichung, Taiwan

Chia-Ing Li

Affiliations Medical Research, China Medical University Hospital, Taichung, Taiwan, School of Medicine, China Medical University, Taichung, Taiwan

Tsai-Chung Li

Affiliations Medical Research, China Medical University Hospital, Taichung, Taiwan, Graduate Institute of Biostatistics, China Medical University, Taichung, Taiwan, Institute of Health Care Administration, College of Health Science, Asia University, Taichung, Taiwan

Cheng-Chieh Lin

Affiliations Department of Family Medicine, China Medical University Hospital, Taichung, Taiwan, School of Medicine, China Medical University, Taichung, Taiwan, Graduate Institute of Clinical Medicine Science, China Medical University, Taichung, Taiwan, Institute of Health Care Administration, College of Health Science, Asia University, Taichung, Taiwan

Kuo-Chin Huang

bretthuang@ntu.edu.tw

Affiliations Family Medicine, National Taiwan University Hospital, Taipei, Taiwan, Graduate Institute of Clinical Medicine Science, China Medical University, Taichung, Taiwan

Competing Interests

MJ Health Screening Center provided support in the form of salaries for Dr. Pei-Kun Sung. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: FYT WYL KCH. Performed the experiments: WYL KCH. Analyzed the data: WYL CIL TCL CCL. Contributed reagents/materials/analysis tools: WYL KCH. Wrote the paper: FYT WYL KCH.