Jean-Marie Sauduhray, M.D., is Emeritus Professor of Pediatrics and Expert Metabolic Consultant at the adult neuro-metabolic unit in the Hôpital La Pitié Salpétrière from the Université Pierre et Marie Curie, Paris. Matthias B. Baumgartner, M.D., Professor of Paediatrics and Inherited Metabolic Medicine, University of Zurich, is Head of the Division of Metabolism and the Swiss Newborn Screening Programme at the University Childress Hospital, Zurich.
John Walter, M.D. is Honorary Clinical Professor of Inherited Metabolic Medicine, Manchester Academic Health Science Centre, Willink Unit, Manchester.