1. Department of Human Evolution; Max Planck Institute of Evolutionary Anthropology; 04103 Leipzig Germany
2. Center for Alaska Native Health Research, Institute of Arctic Biology; University of Alaska Fairbanks; Fairbanks AK 99775 USA
3. Hanbit institute of Cultural Properties; Gyeongsan city 712-837 South Korea
4. Department of Anthropology; University of British Columbia; Vancouver B.C. Canada, V6T 1Z1