Submitted for Publication: March 19, 2012; final revision received September 9, 2012; accepted October 30, 2012.
Published Online: January 17, 2013. doi:10.1001/jamaoto.2013.1324
Author Contributions: All authors had full access to all the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: Hoes, Schilder, and Rovers. Acquisition of data: Boonacker, van den Aardweg, and Broos. Analysis and interpretation of data: Boonacker, Schilder, and Rovers. Drafting of the manuscript: Boonacker and Broos. Critical revision of the manuscript for important intellectual content: Boonacker, van den Aardweg, Hoes, Schilder, and Rovers. Statistical analysis: Boonacker and Rovers. Obtained funding: Schilder and Rovers. Administrative, technical, and material support: van den Aardweg. Study supervision: Hoes, Schilder, and Rovers.
Conflict of Interest Disclosures: Dr Schilders and Rovers received honoraria from GlaxoSmithKline for participation in expert meetings, a workshop, and educational activities on otitis media. They also received a grant for a study on the microbiology of otitis media from GlaxoSmithKline.
Funding/Support: The study was funded by a grant from ZonMw—the Netherlands Organisation for Health Research and Development, Health Care Efficiency Research Programme (sub-programme Effects & Costs 2007 No. 80-007022-98-07901).
Role of the Sponsors: The funder 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. All authors were independent from the funder and had access to all the data.
Previous Presentation: The results described in this article were presented at the 11th International Congress of the European Society of Pediatric Otorhinolaryngology (ESPO2012); May 21, 2012; Amsterdam, the Netherlands.
Additional Contributions: Ardine de Wit, PhD, provided advice regarding the design of the study.