1. Department of Medicine/Hematology-Oncology, UCSF School of Medicine, San Francisco, CA, USA;
2. Servicio Hematología y Hemoterapia, Hospital Universitario Ramón y Cajal, IRYCIS, Madrid, Spain;
3. Hospital Universitario Carlos Haya, Malaga, Spain;
4. David Geffen School of Medicine at UCLA, Los Angeles, CA, USA;
5. III, Med. Clinic, Medizinische Fakultät Mannheim der Universität Heidelberg, Mannheim, Germany;
6. Department of Hématologie, Hôpital Saint-Louis, Paris, France;
7. Department of Hématologie, Institut Bergonié, University of Bordeaux, Bordeaux, France;
8. Baylor Charles A. Sammons Cancer Center, Dallas, TX, USA;
9. Hospital Universitario de Gran Canaria Dr. Negrín, Las Palmas de Gran Canaria, Spain;
10. Dipartimento di Medicina clinica e Chirurgia, Università degli Studi di Napoli Federico II, Naples, Italy;
11. Hématologie Clinique, Centre Léon Bérard, Lyon, France;
12. Myeloproliferative Neoplasms Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA;
13. Bristol-Myers Squibb, Princeton, NJ, USA;
14. Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University of Toronto, Toronto, ON, Canada