1. Department of Bioengineering; University of California, San Diego; La Jolla California USA
2. Centre for Functional Magnetic Resonance Imaging of the Brain, Nuffield Department of Clinical Neurosciences; University of Oxford; Oxford United Kingdom
3. Department of Radiology; University of California, San Diego; La Jolla California USA
4. Department of Psychiatry; University of California, San Diego; La Jolla California USA