Accepted for Publication: June 2, 2015.
Published Online: July 20, 2015. doi:10.1001/jamainternmed.2015.3528.
Study concept and design: Kuo, Valdes, Luo, Yu, Zhang, Doherty.
Acquisition, analysis, or interpretation of data: Kuo, Grainge, See, Luo, Yu, Zhang, Doherty.
Drafting of the manuscript: Kuo, Luo, Zhang.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Kuo, Grainge, Zhang.
Obtained funding: Kuo, Yu, Zhang.
Administrative, technical, or material support: Kuo, See, Luo, Yu.
Study supervision: Grainge, Luo, Yu, Zhang, Doherty.
Conflict of Interest Disclosures: None reported.
Funding/Support: This work was funded by the National Science Council of Taiwan (projects 103-2314-B-182A-070-MY2 and 103-2314-B-182-043-MY2) and Chang Gung Memorial Hospital (project CMRPG3D1671) and was supported by the University of Nottingham in methodology and infrastructure.
Role of the Funder/Sponsor: The funding sources had no role in design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, approval of the manuscript; and decision to submit the manuscript for publication.
Disclaimer: This study was based in part on National Health Insurance Research Database data provided by the Administration of National Health Insurance, Ministry of Health and Welfare, and managed by the National Health Research Institutes. The interpretation and conclusions contained herein do not represent positions of the Administration of National Health Insurance or the National Health Research Institutes.