1. Center for Conservation Biology, Department of Biology, University of Washington, Box 351800, Seattle, WA 98195, USA.
2. Forensic and Genetics Laboratory, Kenya Wildlife Service, Box 40241-0100, Nairobi, Kenya.
3. Department of Wildlife and National Parks Peninsular Malaysia, KM10 Jalan Cheras, 56100 Kuala Lumpur, Malaysia.
4. Department of Biostatistics, University of Washington, Box 359461, Seattle, WA 98195, USA.