Class switching toward IgG4 six months after primary mRNA-based COVID-19 vaccination in kidney patients - Sophie C. Frölke; Kenney G. Amirkhan; Nelly van der Bom-Baylon; Marit van Gils; Mathieu Claireaux; Suzanne E. Geerlings; Rory D. de Vries; Jan-Stephan F. Sanders; Luuk B. Hilbrands; Dimitri A. Diavatopoulos; A. Lianne Messchendorp; Michiel C. van Aalderen; et al. (PLoS ONE, 2026)