- Correspondence to Dr Isabella Annesi-Maesano, Epidemiology of Allergic and Respiratory Diseases Department (EPAR), UMR S 707 INSERM & UPMC Paris 6, Medicine's School Saint-Antoine, 27, rue Chaligny, 75571 Paris CEDEX 12, France;
- Accepted December 10, 2009
- First published May 13, 2010.
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