1. Section of Pediatric and Adult Endocrinology, Diabetes and Metabolism, Kovler Diabetes Center and Comer Children's Hospital University of Chicago Medicine Chicago Illinois USA
2. Hôpital Universitaire Necker‐Enfants Malades Université de Paris Cité, INSERM U1016, Institut IMAGINE Paris France
3. Department of Clinical Science University of Bergen, and Children and Youth Clinic, Hauk eland University Hospital Bergen Norway
4. Clinical Laboratory Unit Bambino Gesù Children's Hospital, IRCCS Rome Italy
5. National Severe Insulin Resistance Service Cambridge University Hospitals NHS Trust Cambridge UK
6. Endocrinology and Diabetes Research Group, Biocruces Bizkaia Health Research Institute Cruces University Hospital, CIBERDEM, CIBERER, Endo‐ERN, UPV/EHU Barakaldo Spain
7. Department of Paediatric Endocrinology and Diabetology Charité – Universitätsmedizin Berlin Germany
8. Center for Endocrinology, Metabolism, Genetics and Molecular Therapy, Departement of Pediatric Endocrinology and Diabetes Vietnam National Children's Hospital Hanoi Vietnam
9. Department of Pediatrics and Department of Biology and Medical Genetics Hanoi Medical University Hanoi Vietnam
10. Department of Pediatrics Prince Mohamed bin Abdulaziz Hopsital, National Guard Health Affairs Madinah Saudi Arabia
11. Institute of Biomedical and Clinical Sciences University of Exeter Medical School Exeter UK
12. Institute of Maternal and Child Research School of Medicine, University of Chile Santiago Chile