1. Department of Anthropology, Washington State University, USA
2. Department of Archaeology, Max Planck Institute for Geoanthropology, Germany
3. Scripps Institution of Oceanography, University of California San Diego, USA
4. Montana Climate Office, W.A. Franke College of Forestry and Conservation, University of Montana, USA
5. Crow Canyon Archaeological Center, USA
6. Santa Fe Institute, USA