Improving clinical management in ANCA-associated vasculitis / Anouk Afra Elisabeth de JoodeConsequences of disease and treatment in ANCA-associated vasculitis / Janneke TuinRenal heparan sulfate proteoglycans : a double edged sword / Ditmer Tjitze TalsmaTreatment outcomes in ANCA-associated vaculitis : determinants of efficacy and toxicity / Arno Christiaan Hessels