1. Department of Earth Sciences University of Southern California Los Angeles CA USA
2. Department of Earth and Environmental Sciences Syracuse University Syracuse NY USA
3. Department of Geological Sciences and Environmental Studies State University of New York Binghamton NY USA
4. Department of Earth, Atmospheric and Planetary Sciences Massachusetts Institute of Technology Cambridge MA USA
5. Department of Atmospheric and Geological Sciences State University of New York at Oswego Oswego NY USA
6. Department of Geosciences University of Arizona Tucson AZ USA