Affiliation: | a Department of Paediatric Endocrinology, Radboud University Nijmegen Medical Centre, Nijmegen, the Netherlands b Department of Endocrinology, Radboud University Nijmegen Medical Centre, Nijmegen, the Netherlands c Department of Chemical Endocrinology, Radboud University Nijmegen Medical Centre, Nijmegen, the Netherlands d Department of Pathology, Radboud University Nijmegen Medical Centre, Nijmegen, the Netherlands |