1. Department of Pediatric Nephrology, Hôpital Universitaire des Enfants Reine Fabiola, Université Libre de Bruxelles (ULB), Brussels, Belgium
2. Department of Nephrology, UZ Brussel-Vrije Universiteit Brussel (VUB), Brussels, Belgium
3. Department of Microbiology, Hôpital Universitaire Brugmann, ULB, Brussels, Belgium
4. Department of Infectious Diseases, Hôpital Universitaire des Enfants Reine Fabiola, ULB, Brussels, Belgium