The health and economic burden of haemophilia in Belgium: a rare, expensive and challenging disease, Henrard, Séverine, Devleesschauwer Brecht, Beutels Philippe, Callens Michael, De Smet Frank, Hermans Cedric, and Speybroeck Niko , Orphanet J Rare Dis, 2014 Mar 21, Volume 9, (2014)