[1] Univ Duisburg Essen, Univ Hosp Essen, Dept Hematol, West German Canc Ctr, Essen, Germany
[2] Fdn IRCCS Ca Granda Osped Maggiore Policlin, Milan, Italy
[3] Univ Coll London Hosp NHS Fdn Trust, UCLH Ctr Waldenstroms Macroglobulinemia & Related, London, England
[4] Saitama Med Univ Hosp, Ctr Thrombosis & Hemostasis, Saitama, Japan
[5] MedStar Georgetown Univ Hosp, Div Hematol, Washington, DC USA
[6] UPEC, Henri Mondor Univ Hosp, AP HP, Creteil, France
[7] Harvard Med Sch, Massachusetts Gen Hosp, Div Hematol, Boston, MA 02115 USA
[8] Med Univ Vienna, Dept Clin Pharmacol, Vienna, Austria
[9] Haukeland Hosp, Sect Hematol, Dept Med, Bergen, Norway
[10] Sanofi, Waltham, MA USA
[11] Haugesund Hosp, Dept Res & Innovat, Haugesund, Norway