[1] ALL MED Med Res Inst, Wroclaw, Poland
[2] Wroclaw Med Univ, Dept Clin Immunol, Wroclaw, Poland
[3] Zentrum Rhinol & Allergol, Wiesbaden, Germany
[4] Hannover Med Sch, Inst Versorgungsforsch & Tech Orthopadie, Hannover, Germany
[5] IQVIA, Epidemiol, Frankfurt, Germany
[6] Tech Univ Dresden, Fachbereich Kinderpneumol Allergol, Univ Klinikum Carl Gustav Carus, Dresden, Germany