From the Department of Hematology (A.M., M.H., S.S.), Karolinska University Hospital and Karolinska Institute, Stockholm, Sweden; Department of Medicine (A.M.), Mälar Hospital, Eskilstuna, Sweden; Department of Medicine (Y.-K.K.), Soonchunhyang University, Seoul, Korea; Department of Clinical Epidemiology and Biostatistics (R.S.R.) and Department of Medicine (Y.-K.K., S.S.), McMaster University and Thrombosis Atherosclerosis Research Institute (R.S.R., S.S.), Hamilton, ON, Canada. (At 2010-12)