An experimental study on lung deposition of inhaled 2 μm particles in relation to lung characteristics and deposition models.

"Declarations Competing interestsThe authors declare no competing interests. Ethics approval and consent to participateThe study was approved by the Swedish Ethical Review Authority, dnr 2019–04770, and was performed in accordance with the Declaration of Helsinki. Consent for publicationAll participants gave their written informed consent. Competing interests The authors declare no competing interests."

"Funding This research was supported by Formas [prn 2018 − 00693], the Swedish Research Council, VR [2021–03265] and the Swedish Heart and Lung Foundation [20200855]. The funding bodies did not have any influence on the design of the study, collection, analysis, interpretation of data, or in writing the manuscript. Open access funding provided by Lund University."