1. Developmental Endocrinology Research Group, Clinical and Molecular Genetics Unit, Institute of Child Health, University College London, London, United Kingdom
2. Neural Development Unit, Institute of Child Health, University College London, London, United Kingdom
3. Ulverscroft Vision Research Group, Developmental Biology Unit, Institute of Child Health, University College London, London, United Kingdom
4. Department of Child Health, Kings College Hospital NHS Foundation Trust, London, United Kingdom
5. Wessex Regional Genetics Laboratory, Salisbury District Hospital, Salisbury, United Kingdom
6. Department of Pediatric Endocrinology, Hospital Privado de Comunidad, Buenos Aires, Argentina