1. Division of Hematology Mayo Clinic Rochester MN USA
2. Department of Experimental and Clinical Medicine CRIMM, Center Research and Innovation of Myeloproliferative Neoplasms Azienda Ospedaliera Universitaria Careggi University of Florence Florence Italy
3. Division of Hematology Mayo Clinic Scottsdale AZUSA
4. Division of Hematopathology Mayo Clinic Rochester MN USA