1. Paleobiology Laboratory, University of Minnesota, Duluth School of Medicine, Duluth, MN.
2. Department of Pathology, St. Luke's Hospital, Duluth, MN.
3. Department of Pathology, Valley View Hospital, Ada, OK.
4. Department of Anthropology, University of Pennsylvania, Philadelphia, PA.
5. 11 Victoria Avenue, Chatham, Ontario.
6. Department of Pathology, University Hospital, University of Western Ontario, London, Canada.
7. Department of Anthropology, Lakehead University, Thunder Bay, Ontario.