[1] CHU St Justine, Dept Hematol, Montreal, PQ, Canada
[2] Hop Maison Neuve Rosemont, Montreal, PQ, Canada
[3] Univ Montreal, Dept Med, Montreal, PQ, Canada
[4] Hosp Sick Children, Res Inst, Child Hlth Evaluat Sci, Toronto, ON, Canada
[5] Univ Colorado, Hemophilia & Thrombosis Ctr, Denver, CO 80202 USA
[6] Christian Med Coll & Hosp, Dept Phys Med & Rehabil, Vellore, Tamil Nadu, India
[7] St Thomas Hosp, Haemostasis & Thrombosis Ctr, London, England
[8] CHU St Justine, Pediat Adult Comprehens Hemostasis Ctr, Montreal, PQ, Canada
[9] Royal Free Hosp, Katharine Dormandy Haemophilia & Thrombosis Ctr, London, England
[10] Clin Univ St Luc, Haemostasis & Thrombosis Unit, Div Haematol, Brussels, Belgium
[11] Ctr Inherited Blood Disorders, Orange, CA USA
[12] Indiana Hemophilia & Thrombosis Ctr, Indianapolis, IN USA
[13] Hampshire Hosp NHS Fdn Trust, Haemophilia Haemostasis & Thrombosis Ctr, Basingstoke, Hants, England
[14] Hosp Sick Children, Div Hematol Oncol, Toronto, ON, Canada
[15] Univ Toronto, Fac Med, Dept Pediat, Toronto, ON, Canada
[16] Hosp Sick Children, Div Rheumatol, Toronto, ON, Canada
[17] Univ Toronto, Dalla Lana Sch Publ Hlth, Inst Hlth Policy Management & Evaluat, Dept Pediat,Fac Med, Toronto, ON, Canada