1. Pediatrics and Genetics, Ghent University and Department of Pediatrics, Ghent University Hospital, Ghent, Belgium
2. Department of Pediatric Urology, Sophia Children's Hospital and Erasmus Medical Center, Rotterdam, The Netherlands
3. Laboratory for Experimental Patho-Oncology, Josephine Nefkens Institute and Erasmus Medical Center, Rotterdam, The Netherlands
4. Department of Endocrinology, Hormone and Molecular Genetics Laboratory, LIM/42 Clinicas Hospital; University of Sao Paulo, Sao Paulo, Brazil
5. Department of Pediatrics, Charles University, 2nd Faculty of Medicine and University Hospital Motol, Prague, Czech Republic
6. Department of Pediatric Endocrinology, Sophia Children's Hospital and Erasmus Medical Center, Rotterdam, The Netherlands
7. Department of Pediatric Urology, Universitätsklinikum Schleswig-Holstein and Universität zu Lübeck, Lübeck, Germany
8. Pediatric Endocrinology, Indiana University, School of Medicine, Indianapolis, IN, USA
9. Internal Medicine, Ghent University and Department of Endocrinology, Ghent University Hospital, Ghent, Belgium