1. Institute of Hematology “L. e A. Seràgnoli,” University of Bologna, Bologna, Italy;
2. Gustave Roussy, Université Paris-Saclay, Département d'hématologie, INSERM U1170, Villejuif, France;
3. Memorial Sloan Kettering Cancer Center, New York, NY;
4. Princess Margaret Cancer Centre and University of Toronto, Toronto, ON, Canada;
5. Merck & Co., Inc., Kenilworth, NJ; and
6. Dana-Farber Cancer Institute, Boston, MA