University of Toronto, Department of Nutritional Sciences, Toronto, Ontario, Canada
MAIN STUDY ONLY: St Joseph's Heathcare Hamilton, 50 Charlton Avenue East, Hamilton, Ontario, Canada
Mt Sinai Hospital, Toronto, Ontario, Canada
St. Michael's Hospital, Toronto, Ontario, Canada
Kingsway Arms- Aurora Retirement Centre, Aurora, Ontario, Canada
North York General Hospital, North York, Ontario, Canada
Postpartum Unit St. Joseph's Healthcare Hamilton, Hamilton, Ontario, Canada
Department of Nutritional Sciences, University of Toronto, Toronto, Ontario, Canada
Women's College Research Institute/Women's College Hospital, Toronto, Ontario, Canada
Nakuru Provincial General Hospital, Nakuru, Rift Valley, Kenya