Accepted for Publication: June 20, 2011.
Author Contributions: All authors had full access to all of 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: Weller, Church, Kalogeromitros, Metz, Siebenhaar, and Maurer. Acquisition of data: Weller, Krause, Metz, Pisarevskaja, and Siebenhaar. Analysis and interpretation of data: Weller, Church, Kalogeromitros, Magerl, and Maurer. Drafting of the manuscript: Weller, Church, Kalogeromitros, and Maurer. Critical revision of the manuscript for important intellectual content: Weller, Church, Krause, Magerl, Metz, Pisarevskaja, Siebenhaar, and Maurer. Statistical analysis: Church and Pisarevskaja. Obtained funding: Siebenhaar and Maurer. Administrative, technical, and material support: Magerl and Siebenhaar. Study supervision: Weller and Maurer.
Financial Disclosure: None reported.
Funding/Support: This study was funded in part by the European Allergy Research Foundation (ECARF; www.ecarf.org) and supported by GA2LEN, the Global Allergy and Asthma European Network (www.ga2len.net).
Additional Contributions: Nikki Rooks, Hesna Goezl ükaya, and the nurses of the Allergie-Centrum-Charit é provided excellent administrative support.