1. Department of Medical Oncology, City of Hope Comprehensive Cancer Center, Duarte, California. 1
2. Department of Medical Oncology, Peter MacCallum Cancer Centre, Melbourne, Australia. 2
3. Netherlands Cancer Institute, Amsterdam, the Netherlands. 3
4. Leiden University Medical Center, Leiden, the Netherlands. 4
5. Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland. 5
6. Yale School of Medicine, New Haven, Connecticut. 6
7. Princess Margaret Cancer Centre, University Health Network, Toronto, Canada. 7
8. Departments of Medicine and Immunology, University of Toronto, Toronto, Canada. 8
9. University of Texas MD Anderson Cancer Center, Houston, Texas. 9
10. Division of Hematology and Hematologic Malignancies, Huntsman Cancer Institute, University of Utah, Salt Lake City, Utah. 10
11. CRISPR Therapeutics, Boston, Massachusetts. 11
12. Formerly employed by CRISPR Therapeutics, Boston, Massachusetts. 12
13. Division of Medical Oncology, Huntsman Cancer Institute, University of Utah, Salt Lake City, Utah. 13