aAllergy Unit, Hospital Regional Universitario de Málaga

bAllergy Research Group, Instituto de Investigación Biomédica de Málaga-IBIMA, Hospital Civil

cNanostructures for Diagnosing and Treatment of Allergic Diseases Laboratory, Andalusian Center for Nanomedicine and Biotechnology-BIONAND, Parque Tecnológico de Andalucía

dDepartamento de Medicina, Universidad de Málaga, Facultad de Medicina, Málaga, Spain

Correspondence to María José Torres, Allergy Unit, Pabellón 6, Primera Planta, Hospital Regional Universitario de Málaga (Pabellon C), Plaza del Hospital Civil, Malaga 29009, Spain. Tel: +34 951290224; fax: +34 951290302; e-mail: [email protected]