title: Case 3: An eight-month-old boy with failure to thrive.
authors.affiliation: Department of Paediatrics.
authors.forename: Andrea
authors.initials: A
authors.lastname: Human
authors.affiliation: Department of Paediatrics.
authors.forename: Kamal
authors.initials: K
authors.lastname: Eltobgy
authors.affiliation: Department of Paediatrics, Division of Paediatric Medicine and the Paediatric Outcomes Research Team, The Hospital for Sick Children, University of Toronto, Toronto, Ontario.
authors.forename: Carolyn E
authors.initials: CE
authors.lastname: Beck