Service of Nephrology, Department of Internal Medicine Specialties, University Hospital of Geneva, Geneva, Switzerland; and Laboratory of Nephrology, Department of Cell Physiology and Metabolism, University of Geneva, Geneva, Switzerland

Correspondence: Dr. Sophie de Seigneux, Service of Nephrology, University Hospital of Geneva, 4 rue Gabrielle Perret Gentil, 1205 Geneva, Switzerland. Email: [email protected]