1. Divisions of Hematology, Departments of Medicine and Laboratory Medicine; Mayo Clinic; Rochester Minnesota
2. Divisions of Hematopathology, Departments of Medicine and Laboratory Medicine; Mayo Clinic; Rochester Minnesota
3. Divisions of Cytogenetics, Departments of Medicine and Laboratory Medicine; Mayo Clinic; Rochester Minnesota
4. Department of Experimental and Clinical Medicine, CRIMM, Center Research and Innovation of Myeloproliferative Neoplasms; Azienda Ospedaliera Universitaria Careggi, University of Florence; Florence Italy