1. Pediatric Endocrinology; Department of Pediatrics and Department of Clinical Research; University Children's Hospital Bern; Bern Switzerland
2. Pediatric Endocrinology Research Unit; Vall d'Hebron Institut de Recerca (VHIR); Hospital Universitari Vall d'Hebron; Universitat Autònoma de Barcelona; Center for Biomedical Research on Rare Diseases (CIBERER); Instituto de Salud Carlos III; Barcelona Spain
3. Pediatric Endocrinology Service; Hospital Clínico; Granada Spain