1. Department of Comparative Medicine, Messerli Research Institute of the University of Veterinary Medicine Vienna, the Medical University of Vienna and the University of Vienna, Vienna, Austria.
2. Department of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria.
3. AllergyCare, Allergy Diagnosis and Study Center, Vienna, Austria.