Author information:
(1)Department of Pediatrics, Feinberg School of Medicine, Northwestern 
University, Chicago, Illinois, USA; Division of Kidney Diseases, Department of 
Pediatrics, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, 
Illinois, USA. Electronic address: c-langman@northwestern.edu.
(2)Department of Pediatrics, University of California, San Diego, La Jolla, 
California, USA.
(3)Department of Pediatrics, Division of Pediatric Nephrology, Robert Debré 
University Hospital, Paris, France.
(4)Department of Nephrology and Urology, Istituto di Ricovero e Cura a Carattere 
Scientifico Bambino Gesù Children's Hospital, Rome, Italy.
(5)Department of Pediatrics, McGill University, Montreal Children's Hospital, 
Montreal, Québec, Canada.
(6)Department of Nephrology, Queen Elizabeth Hospital, Birmingham, UK.
(7)Department of Pediatrics, Alberta Children's Hospital, Calgary, Alberta, 
Canada.
(8)University Paris Descartes, Paris, France; Department of Biochemistry B, 
Necker-Enfants Malades Hospital, Paris, France.
(9)Department of Nephrology-Transplantation, Necker Hospital, Assistance 
Publique Hôpitaux de Paris, Paris Descartes University, Paris, France.
(10)Department of Pediatrics, Center of Pediatric Nephrology and 
Transplantation, Cairo University, Cairo, Egypt.
(11)Department of Pediatric Genetics, University of Michigan, Ann Arbor, 
Michigan, USA.
(12)Department of Pediatric Nephrology, University Hospitals Leuven, Belgium; 
Department of Development and Regeneration, Katholieke Universiteit Leuven, 
Belgium. Electronic address: elena.levtchenko@uzleuven.be.