Nikkonen, Sami http://orcid.org/0000-0003-0615-4118
Afara, Isaac O. http://orcid.org/0000-0001-7114-0439
Leppänen, Timo
Töyräs, Juha
Article History
Received: 5 September 2018
Accepted: 24 August 2019
First Online: 13 September 2019
Change Date: 13 March 2020
Change Type: Correction
Change Details: An amendment to this paper has been published and can be accessed via a link at the top of the paper.
Competing Interests
: Nikkonen reports funding from Academy of Finland (project number 313697), Instrumentarium Science Foundation and from Research Foundation for Pulmonary Diseases. Afara has no relevant funding to disclose. Leppänen reports funding from the Research Committee of the Kuopio University Hospital Catchment Area (project number 5041767), from Respiratory Foundation of Kuopio Region, and from Finnish-Norwegian Medical Foundation. Töyräs reports funding from the Research Committee of the Kuopio University Hospital Catchment Area (project number 5041768) and from the Academy of Finland (project number 313697). The authors declare no other potential competing interests.