1. Institute for Lung Biology and Disease, Helmholtz Zentrum München-German Research Center for Environmental Health, Gauting, Germany
2. Pari GmbH, Munich and Starnberg, Germany
3. Department of Nuclear and of Pulmonary Medicine, Asklepios Hospital München-Gauting, Gauting, Germany
4. Department of Otolaryngology, Hospital Starnberg, Starnberg, Germany