1. Department of Pediatrics, University of California–San Francisco, San Francisco, CA;
2. Department of Chemical Biology, Max Planck Institute for Molecular Physiology, Dortmund, Germany;
3. University Centre for Pharmacy, University of Groningen, Groningen, The Netherlands;
4. Department of Medicine, Division of Hematology/Oncology, University of Michigan, Ann Arbor, MI;
5. Molecular Pathology Unit and Center for Cancer Research, Massachusetts General Hospital, Charlestown, MA; and
6. Helen Diller Family Comprehensive Cancer Center, University of California–San Francisco, San Francisco, CA