[1] Univ Hosp, Div Asthma & Allergy, Dept Chest Dis, Strasbourg, France
[2] Catholic Univ Louvain, Dept Chest Med, Ctr Hosp Univ UCL Namur, Yvoir, Belgium
[3] Finnish Inst Occupat Hlth, Occcupat Med, Helsinki, Finland
[4] Nofer Inst Occupat Med, Dept Occupat Dis & Environm Hlth, Lodz, Poland
[5] Univ Autonoma Barcelona, Hosp Vall dHebron, Serv Pneumol, Barcelona, Spain
[6] CIBER Enfermedades Resp CIBERES, Barcelona, Spain
[7] Fdn Jimenez Diaz, Dept Allergy, Madrid, Spain
[8] CIBER Enfermedades Resp CIBERES, Madrid, Spain
[9] Ruhr Univ, Inst Prevent & Occupat Med, German Social Accid Insurance IPA, Bochum, Germany
[10] Univ Pavia, Dept Publ Hlth Expt & Forens Med, Pavia, Italy
[11] IRCCS, Allergy & Immunol Unit, Ist Clin Sci Maugeri, Pavia, Italy
[12] Hosp La Paz Inst Hlth Res IdiPAZ, Dept Allergy, Madrid, Spain
[13] Strasbourg Univ, Grp Methode Rech Clin, Pole Sante Publ, Strasbourg, France
[14] Univ Hosp Strasbourg, Dept Chest Dis, Div Asthma & Allergy, Strasbourg, France
[15] Federat Med Translat, Strasbourg, France