1. Endocrinology Department Pediatric Research Institute Hospital Sant Joan de Déu, University of Barcelona Barcelona Spain
2. Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), ISCIII Madrid Spain
3. Biochemistry and Molecular Biomedicine Institute of Biomedicine, University of Barcelona & Pediatric Research Institute Hospital Sant Joan de Déu Barcelona Spain
4. Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), ISCIII Madrid Spain
5. Pediatric Endocrinology Research Group Girona Institute for Biomedical Research (IDIBGI) and Dr. Josep Trueta Hospital Girona Spain
6. Department of Development & Regeneration University of Leuven Leuven Belgium