Published Online: November 4, 2013. doi:10.1001/jama.2013.281043.
Study concept and design: Christian, Belle.
Acquisition of data: Courcoulas.
Analysis and interpretation of data: Christian, King, Yanovski, Courcoulas, Belle.
Drafting of the manuscript: Christian.
Critical revision of the manuscript for important intellectual content: Christian, King, Yanovski, Courcoulas, Belle.
Statistical analysis: Christian, Belle.
Obtained funding: Belle.
Administrative, technical, or material support: Courcoulas, Belle.
Study supervision: Belle.
Conflict of Interest Disclosures: The authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Dr Courcoulas reported receiving research grants from Allergan, Pfizer, Covidien, EndoGastric Solutions, and Nutrisystem; serving on a scientific advisory board of Ethicon J & J Healthcare system; and serving as a consultant to Ethicon J & J Healthcare system. No other disclosures were reported.
Funding/Support: Longitudinal Assessment of Bariatric Surgery-2 was a cooperative agreement funded by the following grants from the National Institute of Diabetes and Digestive and Kidney Diseases: U01 DK066557 (awarded to the data coordinating center), U01-DK66667 (Columbia University Medical Center; in collaboration with Cornell University Medical Center grant UL1-RR024996), U01-DK66568 (University of Washington; in collaboration with grant M01RR-00037), U01-DK66471 (Neuropsychiatric Research Institute), U01-DK66526 (East Carolina University), U01-DK66585 (University of Pittsburgh Medical Center; in collaboration with grant UL1-RR024153), and U01-DK66555 (Oregon Health & Science University).
Role of the Sponsor: Scientists from the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) contributed to the design and conduct of the study. The project scientist from the NIDDK served as a member of the steering committee, along with the principal investigator from each clinical site and the data coordinating center. The decision to publish was made by the Longitudinal Assessment of Bariatric Surgery steering committee, with no restrictions imposed by the sponsor. As a coauthor, an NIDDK scientist contributed to the interpretation of the data and preparation, review, and approval of the manuscript.