1. Center for Epigenetics, Van Andel Research Institute, Grand Rapids, MI 49503, USA.
2. Department of Biochemistry and Biophysics, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.
3. Department of Microbiology, Immunology, and Biochemistry, Wayne State University School of Medicine, Detroit, MI 48201, USA.
4. Department of Translational Science and Molecular Medicine and Integrated Mass Spectrometry Unit, College of Human Medicine, Michigan State University, Grand Rapids, MI 49503, USA.
5. EpiCypher Inc., Research Triangle Park, NC 27709, USA.
6. Advanced Photon Source, Argonne National Laboratory, Argonne, IL 60439, USA.