Author Contributions: Mr Siebers 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. Mr Siebers and Dr Klinkhamer contributed equally to this work.
Study concept and design: Siebers, Klinkhamer, Bulten, Arbyn.
Acquisition of data: Siebers, Vedder, Beijers-Broos.
Analysis and interpretation of data: Siebers, Klinkhamer, Grefte, Massuger, Bulten, Arbyn.
Drafting of the manuscript: Siebers, Klinkhamer, Arbyn.
Critical revision of the manuscript for important intellectual content: Klinkhamer, Grefte, Massuger, Vedder, Beijers-Broos, Bulten, Arbyn.
Statistical analysis: Siebers, Arbyn.
Obtained funding: Klinkhamer, Bulten, Arbyn.
Administrative, technical, or material support: Vedder, Beijers-Broos.
Study supervision: Klinkhamer, Bulten, Arbyn.
Financial Disclosures: None reported.
Funding/Support: This study was supported by grant SPC.2002475 of the European Commission (Directorate-general for Health and Consumer), Luxembourg, Grand Duchy of Luxembourg) through the European Network for Cervical Cancer Screening, the European Cooperation on Development and Implementation of Cancer Screening and Prevention Guidelines, and grant 25141652 from the Dutch Ministry of Health through the National Institute for Public Health and Environment. Dr Arbyn also received funding from the Belgian Foundation Against Cancer.
Role of the Sponsors: The funding organizations played no role in the study design and conduct of the study, in the data collection, management, analysis, and interpretation of the data, or in the preparation, review, or approval of the manuscript.
Additional Contributions: We thank Marjan Brandhorst, CT, PAMM Laboratories, Eindhoven; Tiny Heijnen-Wijnen, CT, Radboud University Nijmegen Medical Centre, Department of Pathology, Nijmegen; and Marinka Toonen, CT, PAMM Laboratories, Eindhoven, the Netherlands for local project management. We also thank Amidu O Raifu, MSc, Institute of Public Health, Brussels, Belgium, for statistical support, and the laboratory staff, all the general practitioners, and regional laboratories for participation in this study, none of whom received compensation.
This article was corrected online for error in data on 10/27/2009, prior to publication of the correction in print.