1 Department of Hematology, CHU de Rennes, Université de Rennes, INSERM U1236, EFS, Rennes, France; Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA. Electronic address: roch.houot@chu-rennes.fr.
2 Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA.