[1] CHU Lille, Serv Med Interne & Immunol Clin, Lille, France
[2] Univ Toronto, Univ Hlth Network, Div Med Oncol & Hematol, Toronto, ON, Canada
[3] Leeds Teaching Hosp NHS Trust, Dept Haematol, Leeds, W Yorkshire, England
[4] Catholica Univ Korea, Seoul St Marys Hosp, Catholica Hematol Hosp, Dept Hematol, Seoul, South Korea
[5] Alexion, AstraZeneca Rare Dis, Zurich, Switzerland
[6] Alexion, AstraZeneca Rare Dis, Boston, MA USA
[7] Peter MacCallum Canc Ctr, Dept Clin Haematol, Melbourne, Australia
[8] Royal Melbourne Hosp, Melbourne, Australia