Global citimpact: 17.49 Researcher at Department of Metabolic Biochemistry, Hôpital Necker-Enfants Malades, AP-HP, 149 rue de Sèvres, 75015 Paris, ; School of Medicine, Paris Descartes University Sorbonne Paris Cité, 15 rue de l'Ecole de Médecine, 75006 Paris, . Electronic address: .