MBBS, FRACP, PhD, Senior Staff Specialist in Paediatric Endocrinology and Diabetes, Nepean Paediatric Diabetes Service, Nepean Hospital, Kingswood, NSW; Senior Staff Specialist in Paediatric Endocrinology and Diabetes, Department of Paediatrics, Nepean Hospital, Nepean Blue Mountain Local Health District, Kingswood, NSW; Clinical Associate Professor, Discipline of Paediatrics, Nepean Clinical School, Faculty of Medicine and Health, The University of Sydney, Kingswood, NSW