1. Department of Endocrinology, Christie Hospital NHS Trust, Manchester,
2. Department of Child Life and Health, University of Edinburgh, Edinburgh,
3. Division of Paediatric Endocrinology, St Bartholomew’s Hospital, London,
4. Department of Paediatrics, John Radcliffe Hospital, Headington, Oxford, UK
5. Department of Paediatrics, Clarendon Wing, Leeds General Infirmary, Belmont Grove, Leeds,