HA – haemophilia A. PT – prothrombin time. aPTT – activated partial thromboplastin time. PFA-200 COL/EPI – Platelet function analyser-200 collagen/epinephrine. PFA-200 COL/ADP – Platelet function analyser-200 collagen/adenosine diphosphate. vWF:GPIbM – von Willebrand factor gain-of-function mutant glycoprotein Ib binding activity. vWF:Ag – von Willebrand factor antigen. vWF:CBA – von Willebrand factor collagen binding activity. FVIII:C – coagulation factor VIII. N/A – not applicable. Here, F2 is linked to hemophilia A.