[1] Univ Southern Denmark, Odense Univ Hosp, Dept Dermatol, Odense, Denmark
[2] Univ Southern Denmark, Odense Univ Hosp, Allergy Ctr, Odense, Denmark
[3] Odense Univ Hosp, Dept Emergency Med, Odense, Denmark
[4] Odense Univ Hosp, Dept Dermatol, DK-5000 Odense C, Denmark
[5] Odense Univ Hosp, Allergy Ctr, DK-5000 Odense C, Denmark