1. Department of Physiology, Loma Linda University, Loma Linda, California.
2. Department of Pediatrics, Loma Linda University, Loma Linda, California.
3. Department of Psychology, Loma Linda University, Loma Linda, California.
4. Department of Neuroscience, University of California–Riverside, Riverside, California.
5. Department of Physics, University of California–Riverside, Riverside, California.
6. Department of Radiation Medicine, Loma Linda University, Loma Linda, California.
7. Department of Biophysics and Bioengineering, Loma Linda University, Loma Linda, California.
8. Department of Radiology, Loma Linda University, Loma Linda, California.