1. Memorial Sloan Kettering Cancer Center, Weill Cornell Medical College, NY 10021, USA
2. Toronto Sarcoma Program, Princess Margaret Cancer Centre, Toronto, ON, M5G 2C1, Canada
3. Karyopharm Therapeutics, Newton, MA 02459, USA
4. Department of Sarcoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
5. Sarcoma Oncology Center, Santa Monica, CA 90403, USA
6. Institute of Biomedicine Research (IBIS)/CSIC/Universidad de Sevilla, Virgen del Rocio University Hospital, Calle Antonio Maura Montaner, 41013, Sevilla, Spain
7. Division of Medical Oncology, Candiolo Cancer Institute, FPO-IRCCS, 10060, Candiolo (TO), Italy
8. Division of Hematology/Oncology, University of Michigan, Ann Arbor, MI 48109, USA
9. Policlinico Universitario Campus, Bio-Medico, Via Álvaro del Portillo, 200, 00128, Roma, Italy
10. Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
11. Division of Hematology-Oncology, Jonsson Comprehensive Cancer Center, UCLA, Los Angeles, CA 90024, USA
12. The Royal Marsden NHS Foundation Trust & The Institute of Cancer Research, London, SM2 5PT, UK
13. Department of Medicine, Duke University Medical Center, Durham, NC 27710, USA
14. Department of Internal Medicine, Division of Hematology/Oncology, Mayo Clinic, Jacksonville, FL 32224, USA