1. The Nephrology Section, Department of Internal Medicine, University Hospital, Gent - Belgium
2. Institute of Human Genetics, IGH-CNRS UPR 1142, Montpellier - France
3. Membrana GmbH, Wuppertal - Germany
4. Nephrology, Internal Medicine, Ste Marguerite Hospital, Marseille - France
5. Baxter Healthcare Corporation, Lessines - Belgium
6. Division of Nephrology, Department of Medicine, University of Vienna, Vienna - Austria
7. Department of Neurology, Middelheim Hospital, Laboratory of Neurochemistry and Behaviour, University of Antwerp - Belgium
8. Gambro Corporate Research, Hechingen - Germany
9. INSERM Unit 507, Necker Hospital, Paris - France
10. Institute of Food Chemistry, Technical University, Dresden - Germany
11. Nephrology and Medical Intensive Care, UK Charité, Campus Virchow-Klinikum, Medical Faculty of Humboldt-University, Berlin - Germany
12. Division of Nephrology, CH-Beauvais, and INSERM Unit 507, Necker Hospital, Paris - France
13. University Hospital Reina Sofia, Research Institute, Cordoba - Spain
14. Norrlands University Hospital, Medical Clinic, Umea - Sweden
15. Nephrology Department, University Hospital, Huddinge - Sweden
16. Bellco S.p.a., Mirandola - Italy