1. Department of Vertebrate Zoology, National Museum of Natural History, Smithsonian Institution, Washington, DC 20013, USA
2. Museum Conservation Institute, Smithsonian Institution, Suitland, MD 20746, USA
3. Department of Bioengineering, Temple University, Philadelphia, PA 19122, USA
4. School of Life Sciences, Arizona State University, Tempe, AZ 85287, USA