Mangseth, Henrik
Sikkeland, Liv Ingunn Bjoner
Durheim, Michael Thomas
Ulvestad, Mariann
Myrdal, Ole Henrik
Kongerud, Johny
Lund, May B
Funding for this research was provided by:
University of Oslo
Article History
Received: 16 December 2022
Accepted: 12 April 2023
First Online: 24 April 2023
Declarations
:
: The present study is based upon pulmonary function tests that were originally collected in previous clinical studies. Written, informed consent was obtained from all participants. The studies were all approved by the Regional Committee for Medical and Health Research Ethics and they all followed the Helsinki Declaration. The studies have all been published in highly esteemed international, peer-reviewed journals (ref. 13, 27–31). Details on the Ethical Approvals for each specific study are stated in the referenced articles in the respective journals.
: Not applicable.
: The authors have no conflicts of interest to declare.
: The authors declare no competing interests.