1. Department of Clinical Haematology Guy's and St Thomas' NHS Foundation Trust London UK
2. Radboud University Medical Centre Nijmegen Nijmegen Netherlands
3. Center for Research and Innovation of Myeloproliferative Neoplasms AOU Careggi, University of Florence Florence Italy
4. Centre d'Investigations Cliniques, INSERM, CIC1427 AP‐HP, Hôpital Saint‐Louis, Université de Paris Paris France
5. Department of Medicine and Surgery University of Insubria Varese Italy
6. Department of Hematology Amsterdam UMC, Vrije Universiteit Amsterdam Amsterdam Netherlands
7. University of Michigan Comprehensive Cancer Center Ann Arbor Michigan USA
8. The University of Texas MD Anderson Cancer Center Houston Texas USA
9. Bristol Myers Squibb Princeton New Jersey USA
10. Mays Cancer Center at UT Health San Antonio MD Anderson San Antonio Texas USA