Funding for this research was provided by:
Foundation for Medical Research at Örebro University Hospital, Örebro, Sweden (2018)
Örebro County Council Research Committee, Örebro University Hospital, Örebro, Sweden (2020)
Received: 13 May 2020
Accepted: 11 June 2020
First Online: 16 June 2020
Ethics approval and consent to participate
: All examined clinical AC2 samples were collected in routine diagnostics (standard care), and no patient identification information was available in the present study. Accordingly, no ethical approval was required.
: Not applicable.
: The authors declare that they have no competing interests.