Accepted for Publication: May 4, 2015.
Published Online: July 20, 2015. doi:10.1001/jamainternmed.2015.3536.
Study concept and design: Hung, Chung.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Yang, Hung, Chung.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Yang, Lin, Y.-J. Chen, Wu.
Obtained funding: Hung, Chung.
Administrative, technical, or material support: All authors.
Study supervision: Hung, Chung.
Conflict of Interest Disclosures: None reported.
Funding/Support: This work was supported by grants NSC101-2321-B-182-008, NSC101-2628-B-182-001-MY3, NSC98-2314-B-182A-027-MY3, NSC101-2320-B-010-072-MY3, NSC101-2321-B-010-027, and NSC102-2314-B-010-014-MY3 from the National Science Council of Taiwan and by grants CMRPG-290051-3, OMRPG2C0011, and OMRPG2C0021 from the Chang-Gung Memorial Hospital.
Role of the Funder/Sponsor: The funders had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; or 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, Taiwan. The interpretation and conclusions contained herein do not represent positions of the Administration of National Health Insurance.
Additional Contributions: We thank the National Health Insurance Administration, Ministry of Health and Welfare, Taiwan for its support.