About the Authors

Winfried Möller

moeller@helmholtz-muenchen.de

Affiliation Comprehensive Pneumology Center and Institute for Lung Biology and Disease - Helmholtz Zentrum München, Neuherberg, Gauting and München, Germany

Irene Heimbeck

Affiliation Asklepios Fachkliniken München-Gauting - Center for Pulmonary Medicine and Thoracic Surgery, Gauting, Germany

Thomas P. J. Hofer

Affiliation Comprehensive Pneumology Center and Institute for Lung Biology and Disease - Helmholtz Zentrum München, Neuherberg, Gauting and München, Germany

Gülnaz Khadem Saba

Affiliation Comprehensive Pneumology Center and Institute for Lung Biology and Disease - Helmholtz Zentrum München, Neuherberg, Gauting and München, Germany

Margot Neiswirth

Affiliation Asklepios Fachkliniken München-Gauting - Center for Pulmonary Medicine and Thoracic Surgery, Gauting, Germany

Marion Frankenberger

Affiliation Comprehensive Pneumology Center and Institute for Lung Biology and Disease - Helmholtz Zentrum München, Neuherberg, Gauting and München, Germany

Löms Ziegler-Heitbrock

Affiliations Comprehensive Pneumology Center and Institute for Lung Biology and Disease - Helmholtz Zentrum München, Neuherberg, Gauting and München, Germany, EvA Study-Center - Helmholtz Zentrum München, Gauting, Germany

Competing Interests

WM received a research grant from Pari Pharma GmbH, Gräfelfing, Germany for conducting a study on nasal drug delivery devices. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials. All other authors declare that no competing interests exist. There is no product of Pari Pharma where WM is involved in and where the authors' share intellectual property rights or being involved in a patent. The topic of the grant is related to nasal drug delivery and is not in any case related to the topic of the submitted manuscript.

Author Contributions

Conceived and designed the experiments: WM MF LZH. Performed the experiments: WM IH TPJH GKS MN MF LZH. Analyzed the data: WM IH TPJH LZH. Contributed reagents/materials/analysis tools: WM IH GKS MN MF. Wrote the paper: WM MF LZH.