1. Department of Radiation Oncology and Molecular Radiation Sciences, Department of Biomedical Engineering, Johns Hopkins Hospital, Baltimore, MD 21287, USA
2. Department of Chemistry and Department of Physics (Medical Physics), University of Massachusetts Lowell, Lowell, MA 01854, USA
3. Department of Health Administration and Human Resources, The University of Scranton, 800 Linden Street, Scranton, PA 18510, USA
4. Nanocan Therapeutics Corporation, Princeton, NJ 08540, USA