Affiliation: | 1. Department of Pediatric Endocrinology, Hospital Infantil Universitario Ni?o Jesús, Instituto de Investigación Sanitaria La Princesa, Avda. Menéndez Pelayo 65, 28007 Madrid, Spain 2. Institute of Maternal and Child Research, University of Chile, Santiago, Chile 3. Institute for Biomedical and Clinical Science, University of Exeter Medical School, Exeter, UK 4. Department of Pediatrics, Complejo Hospitalario Torrecárdenas, Almería, Spain
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