@article {VAN ROON943, author = {ANNIEK M. VAN ROON and KARINA DE LEEUW and DOUWE J. MULDER}, title = {Dr. van Roon, et al reply}, volume = {47}, number = {6}, pages = {943--943}, year = {2020}, doi = {10.3899/jrheum.200136}, publisher = {The Journal of Rheumatology}, issn = {0315-162X}, URL = {https://www.jrheum.org/content/47/6/943}, eprint = {https://www.jrheum.org/content/47/6/943.full.pdf}, journal = {The Journal of Rheumatology} }