[1] Univ Toronto, Fac Pharm, Toronto, ON M5S 2S2, Canada
[2] Univ Toronto, Fac Med, Dept Hlth Adm, Toronto, ON M5S 2S2, Canada
[3] Univ Toronto, Grad Fac Pharmaceut Sci, Toronto, ON, Canada
[4] Univ Toronto, Sunnybrook & Womens Hlth Sci Ctr, Hlth Outcomes & Pharacoecon Res Ctr, Toronto, ON, Canada
[5] Pharmideas Res & Consulting Inc, Hamilton, ON, Canada