A 15-year-old male patient is suspected to have Von Willebrand disease (VWD). Which of the following statements about the characteristics of VWD is incorrect?

Von Willebrand disease is a hereditary deficiency of von Willebrand factor

Von Willebrand factor functions independently of factor VIII

Von Willebrand factor allows adhesion of platelets to a glycoprotein Ib-IX

Although VWD causes platelet dysfunction, bleeding tendencies are usually mild