1. Department of Chemistry, Chemistry Building,
Room 426, 578 South Shaw Lane, Michigan State University, East Lansing, Michigan 48824,
United States
2. Departments of Radiology
and Psychology, Michigan State University, East Lansing, Michigan 48824, United States
3. Biomedical Imaging
Research Center, Michigan State University, East Lansing, Michigan 48824, United States
4. College of Pharmacy, University of Tennessee Health Science Center, 847 Monroe Avenue, University of Tennessee, Memphis, Tennessee 38163,
United States