1. Laboratory of Biochemistry and Molecular Biology, CNRS/URCA UMR N° 7369 MEDyC, Faculty of Medicine, University of Reims Champagne-Ardenne, Reims, France
2. Laboratory of Pediatric Biology and Research, University Hospital of Reims, Reims, France
3. Present address: Department of Laboratory Medicine, National Institutes of Health, Bethesda, MD 20892, USA
4. Laboratory of Biopathology, University Hospital of Reims, Reims, France
5. Department of Pediatrics (Nephrology unit), University Hospital of Reims, Reims, France