1. Division of Pediatric Neurology; David Geffen School of Medicine and Mattel Children's Hospital UCLA; Los Angeles California U.S.A.
2. School of Medicine and Health Sciences; George Washington University; Washington District of Columbia U.S.A.
3. School of Medicine; University of California, San Francisco; San Francisco California U.S.A.
4. Department of Radiology; David Geffen School of Medicine and Mattel Children's Hospital UCLA; Los Angeles California U.S.A.
5. Department of Neurology; David Geffen School of Medicine and Mattel Children's Hospital UCLA; Los Angeles California U.S.A.