1. Department of Chemistry and Chemical Biology and Barnett Institute of Chemical and Biological Analysis, Northeastern University, Boston, Massachusetts 02115, United States
2. Department of Radiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
3. Biopharmaceutical Analysis Training Laboratory (BATL), Northeastern University Innovation Campus, Burlington, Massachusetts 01803, United States
4. Bruker Daltonics, 40 Manning Road, Billerica, Massachusetts 01821, United States
5. Department of Pharmaceutical Sciences, Northeastern University, Boston, Massachusetts 02115, United States
6. Department of Neurosurgery, Brigham and Women’s Hospital, Department of Cancer Biology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts 02115, United States