[1] Univ Sheffield, Sch Med & Populat Hlth, Sheffield, England
[2] Univ Helsinki, Helsinki Univ Hosp, Comprehens Canc Ctr, Fac Med,Dept Haematol,Coagulat Disorders Unit,Res, Helsinki, Finland
[3] Univ Dublin, Trinity Coll Dublin, Sch Med, Discipline Physiotherapy, Dublin, Ireland