1. Department of Biostatistics, Virginia Commonwealth University , Richmond, VA 23298, USA
2. Department of Pathology, Virginia Commonwealth University , Richmond, VA 23284, USA
3. Department of Biostatistics, University of North Carolina-Chapel Hill , Chapel Hill, NC 27514, USA
4. Curriculum in Bioinformatics and Computational Biology, University of North Carolina at Chapel Hill , Chapel Hill, NC 27599, USA
5. Department of Econometrics and Business Statistics, Monash University , Clayton, NC 3168, Australia
6. Molecular Medicine Division, Walter and Eliza Hall Institute , Parkville, VIC 3052, Australia
7. Center for Epigenetics, Van Andel Research Institute , Grand Rapids, MI 49503, USA
8. Department of Pediatrics, College of Human Medicine, Michigan State University , East Lansing, MI 48824, USA
9. Department of Translational Genomics, Keck School of Medicine, University of Southern California , Los Angeles, CA 90033, USA
10. Thurston Arthritis Research Center, University of North Carolina at Chapel Hill , Chapel Hill, NC 27599, USA
11. Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill , Chapel Hill, NC 27599, USA
12. Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill , Chapel Hill, NC 27599, USA
13. Curriculum in Genetics and Molecular Biology, University of North Carolina at Chapel Hill , Chapel Hill, NC 27599, USA
14. Department of Genetics, University of North Carolina at Chapel Hill , Chapel Hill, NC 27514, USA