Correction to: Journal of Perinatology (2013) 33, 248–249; doi:10.1038/jp.2012.104

Following publication of this letter, the authors noted that there were errors in the list of affiliations. The correct affiliations are shown below.

PJ McNamara1,2,3 and A Jain2,3,4

1Department of Pediatrics, Hospital for Sick Children, Toronto, Ontario, Canada2Department of Physiology & Experimental Medicine Program, Hospital for Sick Children, Toronto, Ontario, Canada3Department of Physiology, University of Toronto, Toronto, Ontario, Canada4Department of Pediatrics, Mount Sinai Hospital, Toronto, Ontario, Canada