About the Authors

Jiunn-Shyan Julian Wu

Affiliations Department of Health, Taiwan Centers for Disease Control, Taipei, Taiwan, Republic of China, Institute of Epidemiology, College of Public Health, National Taiwan University, Taipei, Taiwan, Republic of China

Fu-Yuan Shih

Affiliation Department of Emergency Medicine, National Taiwan University Hospital, Taipei, Taiwan, Republic of China

Chan-Hsien Chiu

Affiliation Department of Health, Taiwan Centers for Disease Control, Taipei, Taiwan, Republic of China

Yuan-Lih Yeh

Affiliation Department of Health, Taiwan Centers for Disease Control, Taipei, Taiwan, Republic of China

Jer-Jea Yan

Affiliation Department of Health, Taiwan Centers for Disease Control, Taipei, Taiwan, Republic of China

Chwan-Chuen King

Contributed equally to this work with: Chwan-Chuen King, Mei-Shang Ho

Affiliation Institute of Epidemiology, College of Public Health, National Taiwan University, Taipei, Taiwan, Republic of China

Mei-Shang Ho

Contributed equally to this work with: Chwan-Chuen King, Mei-Shang Ho

homs@ibms.sinica.edu.tw

Affiliations Institute of Epidemiology, College of Public Health, National Taiwan University, Taipei, Taiwan, Republic of China, Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan, Republic of China

Competing Interests

MSH served as CSO (Dec 2007 through Nov 2009) and is now an advisor (since Dec 2009) to Adimmune Corp; other authors have declared no competing interests. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: JSJW FYS CHC CCK MSH. Performed the experiments: JSJW. Analyzed the data: JSJW. Contributed reagents/materials/analysis tools: JSJW YLY JJY. Wrote the paper: JSJW. Supervised the study: MSH CHC JJY CCK. Revised the manuscript: MSH FYS CCK.