1 Center of Expertise for Lupus-, Vasculitis- and Complement-mediated Systemic diseases (LuVaCs), Department of Internal Medicine-Nephrology Section, Leiden University Medical Center, Leiden, The Netherlands.
2 Department of Nephrology, Alrijne Ziekenhuis, Leiden, The Netherlands.
3 Center of Expertise for Lupus-, Vasculitis- and Complement-mediated Systemic diseases (LuVaCs), Department of Pulmonology, Leiden University Medical Center, Leiden, The Netherlands.
4 Center of Expertise for Lupus-, Vasculitis- and Complement-mediated Systemic diseases (LuVaCs), Department Otorhinolaryngology, Leiden University Medical Center, Leiden, The Netherlands.
5 Department of Nephrology, Meander Medisch Centrum, Amersfoort, The Netherlands.