1. From the Australian Centre for Blood Diseases (M.A.T., E.E.G., Y.S., R.K.A.), Monash University, Melbourne, Australia; the University of Western Australia (M.N.C.), Perth, Australia; Dublin City University (M.C.B.), Dublin, UK; Royal Perth Hospital (J.Y.T., G.J.H., R.I.B.), Perth, Australia; and the Centre for Thrombosis and Haemophilia (R.I.B.), Murdoch University, Perth, Australia.