[1
]
Sainte-Justine University Hospital Research Center, University of Montreal, Montreal,
Quebec, Canada. Electronic address: mdp.velez.gomez@umontreal.ca.
[2
]
Population Studies Division, Healthy Environments and Consumer Safety Branch, Health
Canada, Ottawa, Ontario, Canada.
[3
]
Sainte-Justine University Hospital Research Center, University of Montreal, Montreal,
Quebec, Canada.