About the Authors

Po-Yuan Wu

Affiliations Department of Public Health, China Medical University, Taichung, Taiwan, Department of Dermatology, China Medical University Hospital, Taichung, Taiwan, School of Medicine, China Medical University, Taichung, Taiwan

Hong-Dar Isaac Wu

Affiliation Department of Applied Mathematics, National Chung Hsing University, Taichung, Taiwan

Tzu-Chieh Chou

Affiliation Department of Public Health, China Medical University, Taichung, Taiwan

Fung-Chang Sung

fcsung.tw@gmail.com

Affiliations Department of Public Health, China Medical University, Taichung, Taiwan, Management Office for Health Data, China Medical University Hospital, Taichung, Taiwan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PYW HDIW FCS. Analyzed the data: PYW HDIW. Wrote the paper: PYW HDIW TCC FCS. Compiled the data: PYW FCS.