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Affiliations

• ¹ Department of Internal Medicine and Paediatrics, Division of Paediatric Endocrinology, Ghent University Hospital, Ghent University, Ghent, Belgium.
• ² Department of Pediatric Surgery, Medical University of Vienna, Vienna, Austria.
• ³ Department of Pediatric Pulmonology, Allergology and Endocrinology, Medical University of Vienna, Vienna, Austria.
• ⁴ Department of Pediatrics, St. Anna Children's Hospital, Medical University of Vienna, Vienna, Austria.
• ⁵ Department of Urology, Medical University of Vienna, Vienna, Austria.
• ⁶ Department of Endocrinology/Andrology, University Hospital Ghent, Ghent, Belgium.
• ⁷ Department of Urology, Division of Paediatric Urology, Ghent University Hospital, Ghent University, Ghent, Belgium.