Barbara Dennison, Dip HSc PG Dip Com Nut, Senior Paediatric Dietitian, Department of Nutrition and Dietetics, The Children's Hospital at Westmead. Barbara has 27 years' experience as a paediatric dietitian. She edited The PKU Handbook for the Australasian Society for Inborn Errors of Metabolism, released in 2005. Fiona Wedding, B App Sc (Cons Sc), Consultant Home Economist. Fiona has 20 years' experience in the development of recipes for people with multiple food allergies and resticted diets. She also specialises in helping children and adults facing the challenges of anaphylaxis or fructose malabsorption. Dr Preeti Joshi, MBBS (Hons) FRACP PhD, Specialist Paediatrician in Allergy and Immunology, Department of Allergy and Immunology, The Children's Hospital at Westmead. Dr Joshi is involved in caring for children with allergies and teaching young doctors and other specialists about the recognition and management of allergies. She is an active member of the Australasian Society of Clinical Immunology and Allergy. Dr Joshi co-authored Managing Your Child's Food Allergies released by HarperCollins in 2009.