Guler Sabina, Brunner-Agten Saskia, Bartenstein Sophia, Bettschen Hans Ueli, Geiser Thomas, Keller Peter, Funke Manuela
Department of Pulmonary Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.
Respiration. 2016;92(6):420-424. doi: 10.1159/000451030. Epub 2016 Oct 20.