Maguire Jonathon L, Birken Catherine, Thorpe Kevin E, Sochett Etienne B, Parkin Patricia C
Li Ka Shing Knowledge Institute of St Michael's Hospital, University of Toronto, Toronto, Ontario, Canada.
Pediatrics Outcomes Research Team, Division of Paediatric Medicine, Department of Paediatrics, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada.
JAMA Pediatr. 2014 Apr;168(4):383-5. doi: 10.1001/jamapediatrics.2013.5379.