1. Department of Computer Science and Engineering, University of California San Diego, La Jolla, CA, USA.
2. Molecular Neurobiology Laboratory, The Salk Institute for Biological Studies, La Jolla, CA, USA.
3. Kavli Institute for Brain and Mind, University of California San Diego, La Jolla, CA, USA.
4. Integrative Biology Laboratory, The Salk Institute for Biological Studies, La Jolla, CA, USA.