Parminder Raina , Maureen O'Donnell , Heidi Schwellnus , Peter Rosenbaum , Gillian King , Jamie Brehaut , Dianne Russell , Marilyn Swinton , Susanne King , Micheline Wong , Stephen D Walter and Ellen Wood
BMC Pediatrics 2004, 4:1doi:10.1186/1471-2431-4-1