[1] Amer Thrombosis & Hemostasis Network, Rochester, NY USA
[2] Tokyo Med Univ, Dept Lab Med, Tokyo, Japan
[3] St Marianna Univ, Sch Med, Dept Pediat, Kawasaki, Kanagawa, Japan
[4] Bayer Yakuhin Ltd, Osaka, Japan
[5] Bayer US LLC, Whippany, NJ USA
[6] Nara Med Univ, Dept Pediat, Nara, Japan
[7] Ogikubo Hosp, Dept Blood Coagulat, Suginami City, Japan