Johansson, Christel https://orcid.org/0009-0005-7882-408X
Hildingsson, Ingegerd https://orcid.org/0000-0001-6985-6729
Edqvist, Malin https://orcid.org/0000-0002-0968-6534
Bonnevier, Anna https://orcid.org/0000-0003-1815-6890
Rubertsson, Christine https://orcid.org/0000-0001-7416-6335
Funding for this research was provided by:
Lund University
Article History
Received: 12 November 2025
Accepted: 1 April 2026
First Online: 11 April 2026
Declarations
:
: The study was approved by the Regional Ethics Board at Lund University, Sweden (Reference: 2018/476) in July 2018. The OnePlus trial was registered at ClinicalTrials.gov (NCT03770962) on 28 November 2018. Participants received both oral and written information about the study, and written informed consent was obtained from all participants. The study was conducted in accordance with the principles of autonomy, beneficence, and confidentiality.
: Not applicable.
: The authors declare no competing interests.