The Department of Clinical Chemistry and Laboratory Medicine, Leiden University Medical Centre, Leiden, The Netherlands.

Precision diagnostics; Clinical proteomics; Metrology; Standardization and harmonization of medical tests; Lipoprotein(a) test standardization using a mass spectrometry-based reference measurement procedure; P4 medicine; Cardiovascular risk management; Kidney disease biomarkers; Cancer biomarkers; Mass spectrometry-based protein diagnostics; Regulatory affairs in laboratory medicine