About the Authors

Kai-Jen Chuang

kjc@tmu.edu.tw

Affiliations Department of Public Health, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan, School of Public Health, College of Public Health and Nutrition, Taipei Medical University, Taipei, Taiwan

Hsiao-Chi Chuang

Affiliations Division of Pulmonary Medicine, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, Taipei, Taiwan, School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei, Taiwan

Lian-Yu Lin

Affiliation Department of Internal Medicine, Division of Cardiology, National Taiwan University Hospital, Taipei, Taiwan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KJC LYL. Performed the experiments: LYL HCC. Analyzed the data: KJC HCC. Contributed reagents/materials/analysis tools: LYL HCC. Wrote the paper: KJC.