1. Department of Nephrology, Leiden University Medical Center, Leiden, The Netherlands
2. Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
3. Department of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, The Netherlands
4. Department of Rheumatology and Clinical Immunology, University Medical Center Utrecht, Utrecht, The Netherlands
5. 1st Medical Department & Ludwig Boltzmann Institute of Osteology at the Hanusch Hospital of WGKK and AUVA Trauma Centre Meidling, Hanusch Hospital
6. Sigmund Freud University, Vienna, Austria
7. Department of Obstetrics, Wilhelmina’s Children Hospital, Division Woman and Baby, University Medical Center Utrecht, Utrecht, The Netherlands
8. Department of Gynaecology and Obstetrics, Leiden University Medical Center, Leiden, The Netherlands