Author Contributions: Dr Thombs had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Thombs, de Jonge, Whooley, Soderlund, Ziegelstein.
Acquisition of data: Thombs, de Jonge, Zuidersma, Eze-Nliam, Lima, Smith, Soderlund.
Analysis and interpretation of data: Thombs, de Jonge, Coyne, Frasure-Smith, Mitchell, Zuidersma, Soderlund, Ziegelstein.
Drafting of the manuscript: Thombs, de Jonge, Coyne, Ziegelstein.
Critical revision of the manuscript for important intellectual content: Thombs, de Jonge, Coyne, Whooley, Frasure-Smith, Mitchell, Zuidersma, Eze-Nliam, Lima, Smith, Soderlund, Ziegelstein.
Statistical analysis: Thombs, Mitchell, Zuidersma.
Administrative, technical, or material support: Thombs, de Jonge, Eze-Nliam, Lima, Ziegelstein.
Study supervision: Thombs, Ziegelstein.
Financial Disclosures: Dr Frasure-Smith reports receiving grant support in the past 5 years from IsodisNatura and GlaxoSmithKline, speakers' honoraria from Solvay and Tromsdorff, and provision of active medication and placebo from Lundbeck, Canada for a Canadian Institutes of Health Research–funded investigator-initiated clinical trial.
Funding/Support: Dr Thombs is supported by a New Investigator Award from the Canadian Institutes of Health Research and an Établissement de Jeunes Chercheurs award from the Fonds de la Recherche en Santé Québec. Dr de Jonge and Ms Zuidersma are supported by a VIDI grant from the Dutch Medical Research Council (grant 016.086.397). Dr Whooley has received career development support from the Department of Veterans Affairs Health Services Research and Development Service, the Robert Wood Johnson Foundation, and the American Federation of Aging Research. Dr Ziegelstein is supported by grant R24AT004641 from the National Center for Complementary & Alternative Medicine and by the Miller Family Scholar Program.
Role of Sponsor: There was no sponsor involvement in the design and conduct of the study; collection, management, analysis, and interpretation of the data; and preparation, review, or approval of the manuscript.
Disclaimer: The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Center for Complementary & Alternative Medicine or the National Institutes of Health.