From the Department of Renal Medicine (B.J.N), Westmead Hospital; Centre for Kidney Research (S.I.A.), Children's Hospital at Westmead; and the University of Sydney (B.J.N., S.I.A.) — all in Sydney. Address reprint requests to Dr. Nankivell at the Department of Renal Medicine, Westmead Hospital, Westmead, NSW 2145, Australia, or at [email protected].
Dr. Nankivell reports receiving honoraria from Chugai (Japan). No other potential conflict of interest relevant to this article was reported.
Disclosure forms provided by the authors are available with the full text of this article at NEJM.org.
We thank Professor Robert Colvin, Department of Pathology, Massachusetts General Hospital, Boston; Dr. Rajathurai Murugasu, Hunter Area Pathology Service, Newcastle, Australia; and Drs. Nicole S. Graf and Susan M. Arbuckle, Department of Pathology, Children's Hospital at Westmead, and Dr. Moses Wavamunno, Department of Renal Medicine, Westmead Hospital, Westmead, Australia, for the photomicrographs.
