1. Department of Biology, University of California, Riverside, California, USA
2. Neuroscience Graduate Program, University of California, Riverside, California, USA
3. Evolution, Ecology and Organismal Biology Graduate Program, University of California, Riverside, California, USA
4. Department of Biological Sciences, Texas Tech University, Lubbock, Texas, USA
5. Department of Behavioural and Molecular Neurobiology, University of Regensburg, Germany
6. Department of Anthropology, Yale University, New Haven, CT, USA