Accepted for Publication: January 16, 2014.
Published Online: June 4, 2014. doi:10.1001/jamasurg.2014.467.
Study concept and design: Courcoulas, Goodpaster, Eagleton, Belle, Kalarchian, Toledo, Jakicic.
Acquisition, analysis, or interpretation of data: Courcoulas, Goodpaster, Eagleton, Kalarchian, Lang, Toledo, Jakicic.
Drafting of the manuscript: Courcoulas, Eagleton, Lang, Jakicic.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Eagleton, Belle, Lang.
Obtained funding: Courcoulas, Goodpaster, Eagleton.
Administrative, technical, or material support: Courcoulas, Eagleton, Kalarchian, Jakicic.
Study supervision: Courcoulas, Goodpaster, Toledo, Jakicic.
Conflict of Interest Disclosures: Dr Courcoulas has received research grants from Covidien, EndoGastric Solutions, and Nutrisystem and is on the scientific advisory board of Ethicon J & J Healthcare system. Dr Goodpaster has received honoraria from Merck & Co, Inc. for participation on an advisory panel and was a paid consultant to the Translational Research Institute of the Florida Hospital. Dr Kalarchian has received a research grant from Nutrisystem. Dr Toledo has received research grants from BodyMedia and sanofi-aventis. Dr Jakicic has received a research grant from BodyMedia, Inc; has received payment for lectures for Jenny Craig, Calorie Control Council, and Nestle Nutrition Institute; and has served as a member on the Alere Wellbeing Scientific Advisory Board and the board of ILSI North America. No other disclosures were reported.
Funding/Support: This study was supported by grant 1RC1DK086037-01 from the National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health (NIKKD-NIH), and by subsidization of the surgical procedures by Magee Women’s Hospital of the University of Pittsburgh Medical Center. This study was also supported by a successful response to a Request for Application from the NIDDK-NIH that outlined a suggested study design and target population.11
Role of the Sponsor: The funding sources 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; and decision to submit the manuscript for publication.
Additional Contributors: Sheila K. Pierson, BS, BA (Division of Minimally Invasive Bariatric and General Surgery, Department of Surgery, University of Pittsburgh Medical Center), Angela A. Laslavic, MS (Division of Endocrinology and Metabolism, University of Pittsburgh), and Nicole L. Helbling, RN, MS (Division of Endocrinology and Metabolism, University of Pittsburgh), served as study coordinators. Linda Nelson Semler MS, RD, LDN, and Lisa B. Martich, RDN, LDN (Department of Health and Physical Activity, University of Pittsburgh), served as study interventionists. Michael D. McDermott, MS (Department of Health and Physical Activity, University of Pittsburgh), provided data support. These individuals received salary support from this grant-funded study for their contributions.