About the Authors

Chien-Chang Liao

Affiliations Health Policy Research Center, Taipei Medical University, Taipei, Taiwan, Department of Anesthesiology, Taipei Medical University Hospital, Taipei, Taiwan

Ta-Chen Su

Affiliation Department of Cardiology, National Taiwan University Hospital, Taipei, Taiwan

Fung-Chang Sung

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

Wan-Hsin Chou

Affiliations Health Policy Research Center, Taipei Medical University, Taipei, Taiwan, Department of Anesthesiology, Taipei Medical University Hospital, Taipei, Taiwan

Ta-Liang Chen

tlc@tmu.edu.tw

Affiliations Health Policy Research Center, Taipei Medical University, Taipei, Taiwan, Department of Anesthesiology, Taipei Medical University Hospital, Taipei, Taiwan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CCL TLC. Performed the experiments: CCL TCS FCS WHC TLC. Analyzed the data: CCL TCS FCS WHC TLC. Contributed reagents/materials/analysis tools: TCS FCS TLC. Wrote the paper: CCL.