Dr Diana- Alexandra Ertl underwent her trainings in general pediatrics and pediatric endocrinology at the General Hospital of Vienna, Austria. Her research activity at the Medical University of Vienna involved the diagnosis and treatment of rare growth disorders. She attended a 2- years post-graduate training program in rare disorders of calcium and phosphate metabolism at the Bicêtre Paris-Saclay University Hospital, France, where she focused her research on growth patterns in various bone diseases and calcium-phosphate disorders. Since 2023 she works as a consulting pediatric endocrinologist and researcher at the Bicêtre Paris- Saclay University Hospital, France. She is member of Austrian Society of Pediatrics and Adolescent Medicine (ÖGKJ), Austrian Society of Endocrinology and Metabolic Disorders (ÖGES), French Society of Pediatric Endocrinology and Diabetology (SFEDP), European Society of Pediatric Endocrinology (ESPE) and European Calcified Tissue Society (ECTS).