1. Department of Chemistry
and Biochemistry, Auburn University, Auburn, Alabama 36849, United States
2. Department of Chemistry and Pharmacy, University Erlangen-Nuremberg, 91058 Erlangen, Germany
3. Auburn University Magnetic Resonance Imaging Research Center, Auburn, Alabama 36849, United States
4. Department
of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, Alabama 36849, United States
5. Department of Anatomy, Physiology, and
Pharmacology, College of Veterinary Medicine, Auburn University, Auburn, Alabama 36849, United States