[1] Juntendo Univ, Dept Emergency & Disaster Med, Grad Sch Med, Tokyo, Japan
[2] Duke Univ, Sch Med, Dept Anesthesiol Crit Care & Surg, Durham, NC USA
[3] Mie Univ, Dept Mol & Lab Med, Sch Med, Tsu, Mie, Japan
[4] Manchester Royal Infirm, Dept Haematol, Manchester, Lancs, England
[5] McMaster Univ, Dept Pathol & Mol Med, Hamilton, ON, Canada
[6] Univ Coll London Hosp NHS Fdn Trust, Dept Med, London, England