1. Department of Anthropology, Harvard UniversityPeabody Museum, 11 Divinity Avenue, Cambridge, MA 02138, USA
2. Department of Psychology, Neuroscience and Behavior, McMaster University1280 Main Street West, Hamilton, Ontario L8S 4K1, Canada
3. Department of Anthropology, Florida State University1847 West Tennessee Street, Tallahassee, FL 32306-7772, USA