1. Department of Genome Sciences, University of Washington, Seattle, Washington, USA.
2. Department of Life Sciences and Biotechnology, University of Ferrara, Italy.
3. Department of Evolutionary Genetics, Max-Planck-Institute for Evolutionary Anthropology, Leipzig, Germany.
4. Department of Anthropology, University of Cincinnati, Cincinnati, OH, USA.
5. Department of Biology and Institute for Genomics and Evolutionary Medicine, Temple University, Philadelphia, PA, USA.
6. Department of Anthropology, Binghamton University, Binghamton, NY, USA.
7. Institute for Medical Research, Goroka, Eastern Highlands Province, Papua New Guinea.
8. Department of Anthropology, Temple University, Philadelphia PA, USA.
9. Department of Statistics, University of Washington, Seattle, Washington, USA.