1. Department of Pharmacology and Cancer Biology, Duke University, Durham, NC 27710, USA.
2. Program in Computational Biology and Bioinformatics, Duke University, Durham, NC 27708, USA.
3. Department of Statistical Science, Duke University, Durham, NC 27708, USA.
4. Department of Surgery, Duke University, Durham, NC 27710, USA.
5. Program in Genetics and Genomics, Duke University, Durham, NC 27710, USA.
6. Department of Medicine/Oncology, Duke University, Durham, NC 27710, USA.
7. Department of Pathology, Duke University, Durham, NC 27710, USA.