1. Department of Evolutionary Biology, Uppsala University, Norbyvägen 18D, 752 36 Uppsala, Sweden.
2. Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD 20892, USA.
3. Department of Integrative Biology, University of California, Berkeley, CA 94720, USA.
4. Department of Anthropology and Archaeology, University of South Africa, Pretoria, South Africa.
5. Laboratoire TIMC-IMAG UMR 5525, Université Joseph Fourier, Centre National de la Recherche Scientifique, Grenoble, France.
6. Human Genomic Diversity and Disease Research Unit, Division of Human Genetics, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand and National Health Laboratory Service, Johannesburg, South Africa.
7. Science for Life Laboratory, Uppsala University, Uppsala, Sweden.