1. Department of Computational Medicine and Bioinformatics, University of Michigan, 500 S State St., Ann Arbor, MI 48109, USA
2. Environmental Health Sciences, University of Michigan, 500 S State St., Ann Arbor, MI 48109, USA
3. Epigenomics Core, University of Michigan, 500 S State St., Ann Arbor, MI 48109, USA
4. Nutritional Sciences, University of Michigan, 500 S State St., Ann Arbor, MI 48109, USA
5. Department of Biostatistics, University of Michigan, 500 S State St., Ann Arbor, MI 48109, USA