1. Institutul de Speologie “Emil Racoviţă”, str. Calea 13 Septembrie 13, 050711 Bucharest, Romania.
2. School of Biological Sciences, Washington State University, Pullman, WA 99164-4236, USA.
3. Department of Anthropology, University of British Columbia, Vancouver, BC V6T 1Z1, Canada; Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103 Leipzig, Germany.
4. U.S. Geological Survey (USGS), Northern Rocky Mountain Science Center, Interagency Grizzly Bear Study Team, 2327 University Way, Suite 2, Bozeman, MT 59715, USA.
5. Department of Geology, University of South Florida, 4202 East Fowler Avenue, SCA528, Tampa, FL 33620, USA.
6. School of the Environment and School of Biological Sciences, Washington State University, Pullman, WA 99164-4236, USA.
7. Department of Anthropology, Washington University, Saint Louis, MO 63130, USA.