About the Authors

Eva Wex

Affiliation Boehringer Ingelheim Pharma GmbH & Co. KG, Respiratory Diseases Research, Biberach a. d. Riss, Germany

Thierry Bouyssou

thierry.bouyssou@boehringer-ingelheim.com

Affiliation Boehringer Ingelheim Pharma GmbH & Co. KG, Respiratory Diseases Research, Biberach a. d. Riss, Germany

Competing Interests

The authors of this manuscript have the following competing interests: EW and TB are employees of Boehringer Ingelheim Pharma GmbH & Co. KG, the developer of olodaterol and the funder of the study. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: EW TB. Analyzed the data: EW TB. Wrote the paper: EW TB.