Raquel Corripio Collado - Coordinator of the Unit. Doctor of Medicine. Associate Professor M33 UAB. Head of Pediatrics. Specialist in the area of growth, puberty, obesity and especially in Prader Willi syndrome. Scientific publications and book chapters in different areas of Pediatric Endocrinology. Post Doctoral Observership Children's Hospital of Philadelphia. Coordinator of the HPT I3PT research group "Growth and development disorders". Clinical coordinator of XUEC-SPW, member of the Puberty group of the SEEP (Spanish Society of Pediatric Endocrinology). Reviewer of different scientific journals.