Funding for this research was provided by:
Government funding of clinicalresearch within the Swedish National Health Services (2019:YF0053)
Regional Research Support
Biobanking and BioMolecular resources ResearchInfrastructure
Hans-Gabriel and Alice Trolle-Wachtmeister Foundation for Medical Research;
European UnionInterreg programme IV A
Received: 26 April 2021
Accepted: 16 June 2021
First Online: 24 August 2021
: The study was approved by the Regional Ethical Committee in Lund, Sweden, with reference numbers DNR 2015/267 and DNR 2017/802.
: Not applicable.
: The authors declare that they have no conflict of interest. Circulating dipeptidyl peptidase 3 was analysed free of charge by SphingoTec GmbH, Neuendorfstraße 15A, 16761 Hennigsdorf, Germany. The authors have no financial or any other interests in SphingoTec GmbH and have not been in any way influenced by the company in writing this research paper.