1. Department of Marine, Earth and Atmospheric Sciences, North Carolina State University, Raleigh, NC 27695, USA.
2. North Carolina Museum of Natural Sciences, Raleigh, NC 27601, USA.
3. Museum of the Rockies, Montana State University, Bozeman, MT 59717, USA.
4. Image and Chemical Analysis Laboratory Facility, Department of Physics, Montana State University, Bozeman, MT 59717, USA.
5. Division of Signal Transduction, Beth Israel Deaconess Medical Center, Boston, MA 02115, USA.