1. Center for Biodiversity and Conservation, American Museum of Natural History; New York NY USA
2. Dept of Biology, City College of New York; City Univ. of New York; New York NY USA
3. Program in Biology, Graduate Center, City Univ. of New York, New York, NY, USA, and Div. of Vertebrate Zoology (Mammalogy), American Museum of Natural History; New York NY USA
4. Microsoft Research; New York NY USA