[1] Med Univ Vienna, Univ Hosp Vienna AKH, Dept Pneumol, Vienna, Austria
[2] Ludwig Maximilians Univ LMU Munich, Dept Med 5, Comprehens Pneumol Ctr CPC M, German Ctr Lung Res DZL, Munich, Germany
[3] Univ Hosp Bonn, Dept Internal Med 2, Pneumol, Bonn, Germany
[4] Univ Hosp Regensburg, Dept Internal Med 2, Regensburg, Germany
[5] Hamburger Inst Therapieforschung GmbH, Hamburg, Germany
[6] Pneumol Gemeinschaftspraxis & Studienzentrum KPPK, Koblenz, Germany
[7] Ambulante Pneumol Allergiezentrum, Stuttgart, Germany
[8] Med Univ Vienna, Ctr Med Stat Informat & Intelligent Syst, Vienna, Austria
[9] Sect Med Stat, Vienna, Austria
[10] Univ Hosp Essen Ruhrlandklin, Dept Pulm Med, Essen, Germany
[11] Univ Bielefeld, Evangel Klinikum Bethel, Kinderzentrum Bethel, Bielefeld, Germany
[12] Mainz Univ Hosp, Dept Pulm, Mainz, Germany
[13] Thoraxklin Heidelberg, Mainz, Germany
[14] IKF Pneumol Mainz, Mainz, Germany