title: Editorial Foreword.
authors.affiliation: Mount Sinai Medical Center, NY, USA, and Haemophilia Centre, Manchester Royal Infirmary, UK.
authors.forename: L M
authors.initials: LM
authors.lastname: Aledort
authors.affiliation: Mount Sinai Medical Center, NY, USA, and Haemophilia Centre, Manchester Royal Infirmary, UK.
authors.forename: C R
authors.initials: CR
authors.lastname: Hay