1 National Collaborating Centre for Aboriginal Health, University of Northern British Columbia, Prince George, BC V2N 4Z9, Canada. Electronic address: margo.greenwood@unbc.ca.
2 National Collaborating Centre for Aboriginal Health, University of Northern British Columbia, Prince George, BC V2N 4Z9, Canada; Northern Medical Program, University of Northern British Columbia, Prince George, BC, Canada.
3 National Collaborating Centre for Aboriginal Health, University of Northern British Columbia, Prince George, BC V2N 4Z9, Canada.