1. Department of Pharmaceutical Sciences, Albany College of Pharmacy and Health Sciences, 261 Mountain View Drive, Colchester, Vermont 05446, United States
2. Department of Biomedical and Health Sciences, University of Vermont, Burlington, Vermont 05405, United States
3. National Magnetic Resonance Facility at Madison and Department of Biochemistry, University of Wisconsin—Madison, Madison, Wisconsin 53706, United States
4. EpiCypher Inc., Durham, North Carolina 27709, United States