Solhaug, Vigdis https://orcid.org/0000-0002-4138-9273
Waade, Ragnhild Birkeland https://orcid.org/0000-0003-0720-1780
Jansrud, Lene
Molden, Espen https://orcid.org/0000-0001-6190-2751
Størset, Elisabet https://orcid.org/0000-0002-2662-8504
Høiseth, Gudrun https://orcid.org/0000-0003-0872-9536
Tveito, Marit https://orcid.org/0000-0003-3963-4759
Funding for this research was provided by:
Diakonhjemmet Hospital
Article History
Received: 28 August 2025
Accepted: 22 October 2025
First Online: 20 December 2025
Declarations
:
: This study was performed in accordance with the declaration of Helsinki. The use of pseudonymized patient data for the purpose of this study was approved by the Regional Committee for Medical and Health Research Ethics South East Norway (REC South East), (ref. 2017/2191) and the Diakonhjemmet Hospital Privacy Officer (PO).
: Since the study was based on existing data retrospectively retrieved from a routine TDM service, ethical approval was granted without the requirement of patient consent.
: not applicable.
: The authors declare no competing interests.