[1] London Clin Trials Res Grp, London, ON, Canada
[2] Univ Western Ontario, London, ON, Canada
[3] Mt Sinai Hosp, Toronto, ON M5G 1X5, Canada
[4] McGill Univ, Montreal, PQ, Canada
[5] Chuq, Quebec City, PQ, Canada
[6] U Edmonton, Edmonton, AB, Canada
[7] LeukoSite Inc, Cambridge, MA USA