About the Authors

Hsiu-Ju Chang

Affiliation School of Nursing, College of Nursing, Taipei Medical University, Taipei, Taiwan

Chien-Chang Liao

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

Chaur-Jong Hu

Affiliations Department of Neurology, Taipei Medical University-Shuang Ho Hospital, New Taipei City, Taiwan, College of Medicine, Taipei Medical University, Taipei, Taiwan

Winston W. Shen

Affiliation Department of Psychiatry, Wan Fang Medical Center, affiliated with Department of Psychiatry, College of Medicine, Taipei Medical University, Taipei, Taiwan

Ta-Liang Chen

tlc@tmu.edu.tw

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HJC CCL TLC. Performed the experiments: HJC CCL TLC. Analyzed the data: HJC CCL CJH WWS TLC. Contributed reagents/materials/analysis tools: CCL TLC. Wrote the paper: HJC CCL TLC.