1. Department of Mathematics, University of Michigan, Ann Arbor, MI 48109, USA
2. Division of Pediatric Hematology/Oncology, Department of Pediatrics, University of Michigan, Ann Arbor, MI 48109, USA
3. Rogel Comprehensive Cancer Center, University of Michigan, Ann Arbor, MI 48109, USA
4. Division of Hematology and Oncology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI 48109, USA
5. Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
6. Center for Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI 48109, USA