[1] Ctr Hosp Setubal EPE, Sao Bernardo Hosp, Allergy & Immunol Dept, Rua Camilo Castelo Branco 175, P-2910549 Setubal, Portugal
[2] Med Univ Vienna, Div Immunopathol, Dept Pathophysiol & Allergy Res, Ctr Pathophysiol Infectiol & Immunol, Vienna, Austria
[3] Univ Beira Interior, Fac Hlth Sci, CICS Hlth Sci Res Ctr, Covilha, Portugal
[4] Cova da Beira Univ Hosp, Dept Allergy & Clin Immunol, Covilha, Portugal