1. Sue and Bill Gross Stem Cell Research Center, Irvine, United States
2. Department of Anatomy and Neurobiology, Irvine, United States
3. Center of Regenerative Medicine, Facultad de Medicina, Universidad del Desarrollo, Santiago, Chile
4. Institute for Memory Impairments and Neurological Disorders, Irvine, United States
5. Bridges to Stem Cell Research Program (BSCR), California State University, Long Beach, United States
6. Department of Physical Medicine and Rehabilitation, Irvine, United States
7. Department of Molecular Biology & Biochemistry, UC-Irvine, Irvine, United States