1. Department of Chemistry and Geochemistry, Colorado School of Mines, 1500 Illinois Street Golden, CO 80401, USA
2. Department of Anesthesiology, Biomedical MRI/MRS Cancer Center Core, University of Colorado Denver Anschutz Medical Campus, Aurora, CO 80045, USA
3. Department of Surgery — Urology, Denver Health Medical Center, Denver, CO 80204, USA
4. Department of Pathology, University of Colorado Denver Anschutz Medical Campus, Aurora, CO 80045, USA
5. Department of Pathology and Department of Bioengineering, University of Colorado Denver Anschutz Medical Campus, Aurora, CO 80045, USA