[1] ALK Abello, Med Klin Entwicklung, Hamburg, Germany
[2] Univ Klinikum Giessen & Marburg, Klin Hals Nasen & Ohrenheilkunde, Sekt Rhinol & Allergol, Marburg, Germany
[3] St George Univ Hosp, Allergy Unit, Plovdiv, Bulgaria
[4] Med Univ Lublin, Lublin, Poland
[5] ALK Abello AS, Horsholm, Denmark
[6] Comenius Univ, Univ Hosp Martin, Martin, Slovakia
[7] Jessenius Med Fac, Pediat Clin, Bratislava, Slovakia
[8] Clin Specialisee Allergie Capitale, Quebec City, PQ, Canada
[9] Univ Montpellier, IDESP, UMR A11 INSERM, CHU Montpellier, Montpellier, France
[10] ALK Abello Arzneimittel GmbH, Med, Hamburg, Germany
[11] Tech Univ Dresden, Med Fak, Dresden, Germany
[12] Univ Klinikum Carl Gustav Carus, Klin & Poliklin Hals Nasen & Ohrenheilkunde, Dresden, Germany
[13] Univ Klinikum Dusseldorf, Zentrum Kinder & Jugendmed, Dusseldorf, Germany