1 Department of Biochemistry and Molecular Medicine, School of Medicine, University of California, Davis, California, 95817, USA.
2 Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children, Sacramento, California, 95817, USA.
3 Department of Neurology, Institute of Neurology, Tianjin General Hospital, Tianjin Medical University, Tianjin, 300070, China.
4 Department of Neurosurgery, University of Texas Health Science Center at Houston, Houston, Texas, 77030, USA.
5 Center for Stem Cell and Regenerative Medicine, The Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases, University of Texas Health Science Center at Houston, Houston, Texas, 77030, USA.
6 Department of Reproductive Medicine, University of California, San Diego, La Jolla, California, 92037, USA.
7 Center for Regenerative Medicine, Department of Chemical Physiology, The Scripps Research Institute, La Jolla, California, 92037, USA.
8 Department of Biology, University of Washington, Seattle, Washington, 98195, USA.
9 Department of Pathology, University of California, San Diego, La Jolla, California, 92093, USA.
10 Department of Neurosurgery, University of Texas Health Science Center at Houston, Houston, Texas, 77030, USA. Ying.Liu.1@uth.tmc.edu.
11 Center for Stem Cell and Regenerative Medicine, The Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases, University of Texas Health Science Center at Houston, Houston, Texas, 77030, USA. Ying.Liu.1@uth.tmc.edu.
12 Department of Reproductive Medicine, University of California, San Diego, La Jolla, California, 92037, USA. Ying.Liu.1@uth.tmc.edu.
13 Center for Regenerative Medicine, Department of Chemical Physiology, The Scripps Research Institute, La Jolla, California, 92037, USA. Ying.Liu.1@uth.tmc.edu.
14 Department of Biochemistry and Molecular Medicine, School of Medicine, University of California, Davis, California, 95817, USA. wbdeng@ucdavis.edu.
15 Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children, Sacramento, California, 95817, USA. wbdeng@ucdavis.edu.