1 Department of Rheumatology, Leiden University Medical Center, 2300 RC Leiden, the Netherlands; Department of Molecular Cell Biology, Leiden University Medical Center, 2300 RC Leiden, the Netherlands; and tcmessemaker@lumc.nl.
2 Department of Rheumatology, Leiden University Medical Center, 2300 RC Leiden, the Netherlands;
3 Department of Molecular Cell Biology, Leiden University Medical Center, 2300 RC Leiden, the Netherlands; and.
4 Department of Rheumatology, Leiden University Medical Center, 2300 RC Leiden, the Netherlands; Department of Human Genetics, Leiden University Medical Center, 2300 RC Leiden, the Netherlands.