Funding for this research was provided by:
Akademiska Sjukhuset (1)
Received: 26 April 2019
Accepted: 30 May 2019
First Online: 7 June 2019
Ethics approval and consent to participate
: The Uppsala University ethical committee approved the method comparison study (01–367). The ethical permit limits the patient information to age and sex and the samples had to be surplus samples without patient identity. As the samples were surplus samples without any patient identity it was not possible or required to obtain informed consent from the patients.
: Not applicable.
: The authors declare that they have no competing interest.