1. Department of Pediatrics, School of Medicine, Loma Linda University Medical Center, Loma Linda, California, USA
2. Department of Radiation Medicine, School of Medicine, Loma Linda University Medical Center, Loma Linda, California, USA
3. Department of Psychology, School of Science and Technology, Loma Linda University Medical Center, Loma Linda, California, USA
4. Department of Radiology, School of Medicine, Loma Linda University Medical Center, Loma Linda, California, USA