1 Department of Human Evolutionary Biology, Harvard University, Cambridge, MA, United States. Electronic address: danlieb@fas.harvard.edu.
2 Institute for Quantitative Social Science, Harvard University, Cambridge, MA, United States.
3 Department of Human Evolutionary Biology, Harvard University, Cambridge, MA, United States.
4 Department of Human Evolutionary Biology, Harvard University, Cambridge, MA, United States; Frank H. Netter MD School of Medicine, Quinnipiac University, North Haven, CT, United States.
5 Department of Neurology, Comprehensive Epilepsy Center, New York University School of Medicine, New York, NY, United States.