[1] Univ British Columbia, Fac Med, Dept Family Practice, Vancouver, BC, Canada
[2] Univ British Columbia, Fac Med, Liu Inst Global Issues, Vancouver, BC, Canada
[3] Univ British Columbia, Fac Med, Social Accountabil & Community Engagement Initiat, Vancouver, BC, Canada
[4] Univ British Columbia, W Maurice Young Ctr Appl Eth, Vancouver, BC V5Z 1M9, Canada
[5] Providence Healthcare, Eth Serv, Vancouver, BC, Canada
[6] Mt Sinai Hosp, Dept Anesthesia, Toronto, ON M5G 1X5, Canada
[7] Univ Toronto, Toronto, ON, Canada