| Institution: | 1. Department of History and Social Sciences, Bryn Athyn College, Pennsylvania 19009;2. Department of Anthropology, University of Pennsylvania, Philadelphia, Pennsylvania 19104These authors contributed equally to the study.;3. Laboratory for Anthropologic Studies, Ivane Javakhishvili Institute of History and Ethnology, Tbilisi 0102, Georgia;4. Grant Programs, Science and Exploration, National Geographic Society, Washington, DC 20036;5. Department of Anthropology, University of Pennsylvania, Philadelphia, Pennsylvania 19104 |
