[1] Med Univ Vienna, Ctr Pathophysiol Infectiol & Immunol, Dept Pathophys & Allergy Res, Div Immunopathol, Vienna, Austria
[2] Allergy Res Ctr, Athens, Greece
[3] Univ Athen, Pediat Clin 2, Dept Allergy, Athens, Greece
[4] Univ Helsinki, Cent Hosp, Skin & Allergy Hosp, Helsinki, Finland
[5] Ambulatory Allergy & Clin Immunol Vienna, Vienna, Austria
[6] Salzburg Univ, Dept Mol Biol, Div Allergy & Immunol, A-5020 Salzburg, Austria