Author Contributions: Dr Kiechl 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: P. Willeit, J. Willeit, Mayr, Weger, Oberhollenzer, Kiechl.
Acquisition of data: P. Willeit, J. Willeit, Mayr, Weger, Oberhollenzer, Brandstätter, Kronenberg, Kiechl.
Analysis and interpretation of data: P. Willeit, Kiechl.
Drafting of the manuscript: P. Willeit, Kiechl.
Critical revision of the manuscript for important intellectual content: P. Willeit, J. Willeit, Mayr, Weger, Oberhollenzer, Brandstätter, Kronenberg.
Statistical analysis: P. Willeit, Kiechl.
Obtained funding: J. Willeit, Kronenberg, Kiechl.
Administrative, technical, or material support: Brandstätter.
Study supervision: J. Willeit, Kronenberg, Kiechl.
Financial Disclosures: None reported.
Funding/Support: Dr P. Willeit was supported by a scholarship from the Dr Johannes and Hertha Tuba Foundation. Dr Kronenberg was supported by a grant from the Competence Centers for Excellent Technologies Center, ONCOTYROL, and the Integriertes Forschungs- und Therapiezentrum of Innsbruck Medical University. The study was supported by the Pustertaler Verein zur Prävention von Herz- und Hirngefaesserkrankungen, Gesundheitsbezirk Bruneck, and the Assessorat fuer Gesundheit, Province of Bolzano, Italy.
Role of the Sponsor: The funding organizations had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; and preparation, review, or approval of the manuscript.