1Department of Nephrology Leiden University Medical Center Leiden The Netherlands2Nephrology Department University of Lille CHU Lille F‐59000 Lille France3Department of Molecular Cell BiologySection Electron Microscopy Leiden University Medical Center Leiden The Netherlands4Department of Nephrology Radboud Institute for Molecular Life Sciences Radboud University Medical Center Nijmegen The Netherlands5Murdoch Childrens Research Institute Melbourne Australia6Department of Pediatrics The University of Melbourne Melbourne Australia7MERLN Institute for Technology–Inspired Regenerative Medicine Maastricht University Maastricht The Netherlands