We thank Siemens and The Binding site for providing the reagents and for performing the assays.
We thank Carola Wagner, Oscar Berlanga, and Stephen Harding for helpful discussions. BS is a senior clinical investigator of The Research Foundation Flanders (F.W.O.) (1842919N).
Research funding: None declared.
Author contributions: All authors have accepted responsibility for the entire content of this manuscript and approved its submission.
Competing interests: BS has received an unrestricted research grant from The Binding Site.
Informed consent: Informed consent was obtained from all individuals included in this study.
Ethical approval: The study was approved by the Ethics Committee of the University Hospitals Leuven and is in compliance with the World Medical Association Declaration of Helsinki.
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