Corrigendum: Three-Month follow-up of heterologous vs. homologous third SARS-CoV-2 vaccination in kidney transplant recipients: Secondary analysis of a randomized controlled trial - Heinzel, Andreas; Schrezenmeier, Eva; Regele, Florina; Hu, Karin; Raab, Lukas; Eder, Michael; Aigner, Christof; Jabbour, Rhea; Aschauer, Constantin; Stefanski, Ana-Luisa; Dörner, Thomas; Budde, Klemens; et al. (Frontiers in Medicine, 2022)