[1] Univ Klinikum Augsburg AOR, Augsburg, Germany
[2] Univ Med Mainz, Erman Asthma Net eV, Schwerpunkt Pneumol, Mainz, Germany
[3] Univ Mainz Med Klin, Schwerpunkt Pneumol 3, Mainz, Germany
[4] Univ Bielefeld, Klin Kinder & Jugendmed, Univ Klinikum Owl, Bielefeld, Germany
[5] Univ Essen Gesamthsch, Ruhrlandklinik Klin Pneumol, Essen, Germany
[6] Univ Klinkum Innere Med, Abt Pulmonol, Mainz, Germany
[7] Inst Klin Forsch Pneumol Mainz, Mainz, Germany
[8] Thoraxklinik Heidelberg, Heidelberg, Germany