aAllergieZentrum, Klinik und Poliklinik für Dermatologie und Allergologie, Ludwig-Maximilians-Universität, Munich, Germany
bStatistical Consulting Unit, Department of Statistics, Ludwig-Maximilians-Universität, Munich, Germany
cAllergy Unit, Department of Internal Medicine, Allergy, Immunology and Respiratory Diseases, Ospedali Riuniti di Ancona, Azienda Ospedaliero-Universitaria, Ancona, Italy
dDepartment of Clinical Immunology, Silesian Piasts University of Medicine in Wroclaw, Poland
eAllergy Unit, National University Hospital, Rigshospitalet, Copenhagen, Denmark
fAllergiestation Medizinische Klinik, Zieglerspital, Spitalnetz Bern, Switzerland. E-mail: [email protected]
Disclosure of potential conflict of interest: The authors have declared that they have no conflict of interest.
