1. Department of Reproduction, Development, and Regeneration (F.d.Z.), University of Leuven, 3000 Leuven, Belgium
2. Hospital Sant Joan de Déu (G.S., M.D., M.D.G.-R., L.I.), University of Barcelona, 08950 Esplugues, Barcelona, Spain
3. Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM) (G.S., M.D.), Instituto de Salud Carlos III, Madrid, Spain
4. Department of Pediatrics (A.L.-B.), Dr Josep Trueta Hospital, 17007 Girona, and Girona Institute for Biomedical Research, 17007 Girona, Spain