[1] Leiden Univ, Dept Clin Epidemiol, Med Ctr, Leiden, Netherlands
[2] Trinity Coll Dublin, Irish Haemophilia Soc, Dublin, Ireland
[3] Erasmus Univ, Med Ctr, Sophia Childrens Hosp, Dept Pediat Hematol, Rotterdam, Netherlands
[4] Univ Toronto, Dept Pediat, Toronto, ON, Canada
[5] Hosp Sick Children, Div Hematol Oncol, Toronto, ON, Canada
[6] Univ Med Ctr Utrecht, Van Creveldklin, Dept Hematol, Utrecht, Netherlands
[7] McMaster Univ, Dept Hlth Res Methods Evidence & Impact, Dept Med, Hamilton, ON, Canada
[8] St Pauls Hosp, British Columbia Prov Bleeding Disorders Program, Adult Div, Vancouver, BC, Canada
[9] World Federat Haemophilia, Montreal, PQ, Canada
[10] Natl Hemophilia Fdn, New York, NY USA
[11] Inst Policy Adv Ltd, Washington, DC USA
[12] Christian Med Coll & Hosp, Dept Haematol, Vellore, Tamil Nadu, India
[13] Leiden Univ, Med Ctr, Dept Clin Epidemiol, Leiden, Netherlands
[14] Sanquin Res, Ctr Clin Transfus Res, Leiden, Netherlands
[15] Univ Amsterdam, Med Ctr, Emma Childrens Hosp, Dept Pediat Hematol,Amsterdam Univ, Amsterdam, Netherlands