[1] Cleveland Clin, Taussig Canc Inst, Cleveland, OH 44106 USA
[2] Univ Florence, Ctr Res & Innovat Myeloproliferat Neoplasms, AOU Careggi, Florence, Italy
[3] Univ Insubria, Dept Med & Surg, Varese, Italy
[4] Mt Sinai Hosp, Icahn Sch Med, Tisch Canc Inst, Div Hematol & Med Oncol, New York, NY USA
[5] Stanford Canc Inst, Stanford, CA USA
[6] Mayo Clin, Div Hematol Oncol, Phoenix, AZ USA
[7] Avera Canc Inst, Sioux Falls, SD USA
[8] Inst Gustave Roussy, Villejuif, France
[9] Oxford Univ Hosp NHS Fdn Trust, Oxford, England
[10] Guys & St Thomas NHS Fdn Trust, London, England
[11] UT Hlth San Antonio Canc Ctr, San Antonio, TX USA
[12] Hop St Louis, Paris, France
[13] IRCCS Policlin San Matteo Fdn, Pavia, Italy
[14] Imperial Coll London, Div Expt Med, Dept Med, Hematol Res Ctr, London, England
[15] Celgene Corp, Summit, NJ USA
[16] Acceleron Pharma, Cambridge, MA USA
[17] Univ Texas MD Anderson Canc Ctr, Dept Leukemia, Houston, TX 77030 USA