1. Department of Cognitive and Information Sciences, University of California, Merced, CA, USA; Department of Humanities and Social Sciences, California Institute of Technology, Pasadena, CA, USA
2. Department of Cognitive and Information Sciences, University of California, Merced, CA, USA; Santa Fe Institute, Santa Fe, NM, USA
3. Department of Cognitive and Information Sciences, University of California, Merced, CA, USA