1 Department of Bioengineering, University of California San Diego, San Diego, CA, USA.
2 Department of Pediatrics, University of California San Diego, San Diego, CA, USA.
3 Department of Cellular and Molecular Medicine, University of California San Diego, San Diego, CA, USA.
4 Institut de Recerca Vall d'Hebron and Institut de Neurociències, Biochemistry and Molecular Biology Department, Universitat Autònoma de Barcelona, Barcelona, Spain.
5 Institució Catalana de Recerca i Estudis Avançats, Barcelona, Spain.
6 Department of Computer Science and Engineering, University of California San Diego, San Diego, CA, USA.
7 Department of Pediatrics, University of California San Diego, San Diego, CA, USA. muotri@ucsd.edu.
8 Department of Cellular and Molecular Medicine, University of California San Diego, San Diego, CA, USA. muotri@ucsd.edu.
9 Center for Academic Research and Training in Anthropogeny and Archealization, University of California San Diego, La Jolla, CA, USA. muotri@ucsd.edu.
10 Sanford Stem Cell Education and Integrated Space Stem Cell Orbital Research Center, Sanford Stem Cell Institute, University of California San Diego, La Jolla, CA, USA. muotri@ucsd.edu.