BC Women's Hospital, Department of Anesthesia, Vancouver, British Columbia, Canada
Vancouver Coastal Health Research Institute, Respiratory Division, Vancouver, British Columbia, Canada
Vancouver General Hospital, Vancouver, British Columbia, Canada
St. Paul's Hospital, Vancouver, British Columbia, Canada
BC Children's Hospital, Vancouver, British Columbia, Canada
University of British Columbia, Faculty of Education, Vancouver, British Columbia, Canada
Vancouver General Hospital, Vancouver, British Columbia, Canada
Vancouver General Hospital, Vancouver, British Columbia, Canada
UBC Hospital, Vancouver, British Columbia, Canada
BC Women's Hospital Labour and Delivery Suite, Vancouver, British Columbia, Canada
Pender Community Health Centre, Vancouver, British Columbia, Canada
Cool-Aid Community Health Centre, Victoria, British Columbia, Canada