1. University College London–Centre for Nephrology, London, UK
2. Institute of Genetic Epidemiology, Medical Center and Faculty of Medicine, University of Freiburg, Freiburg, Germany
3. Medizinische Klinik und Poliklinik III, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany
4. Institute of Cardiovascular Sciences, University of Manchester, Manchester, UK