1. Inherited Kidney Diseases, Nephrology Department, Fundació Puigvert, Institut d'Investigacions Biomèdiques (IIB-Sant Pau), Department of Medicine, Universitat Autonoma de Barcelona (UAB) , Spain
2. Department of Internal Medicine IV, Nephrology and Hypertension, Medical University Innsbruck , Innsbruck , Austria
3. Department of Pathology and Medical Biology, University of Groningen, University Medical Center , Groningen , The Netherlands