1. Molecular, Cellular, and Biomedical Sciences Department University of New Hampshire Durham NH 03824 USA
2. Hubbard Center for Genome Studies University of New Hampshire Durham NH 03824 USA
3. Current address: Department of Biology University of British Columbia – Okanagan Campus Kelowna BC V1 V 1V7 Canada
4. The Center for Genome Architecture Department of Molecular and Human Genetics Baylor College of Medicine Houston TX 77030 USA
5. Department of Computer Science Department of Computational and Applied Mathematics Rice University Houston TX 77030 USA
6. Department of Genetics M.D. Anderson Cancer Center University of Texas Houston TX 77030 USA
7. Center for Theoretical and Biological Physics Rice University Houston TX 77030 USA
8. Shanghai Institute for Advanced Immunochemical Studies ShanghaiTech University Shanghai 201210 China
9. School of Agriculture and Environment University of Western Australia Perth WA 6009 Australia
10. Department of Biology University of Maryland College Park MD 20742 USA