1. School of Earth and Atmospheric Sciences Georgia Institute of Technology Atlanta Georgia
2. NASA Astrobiology Institute Alternative Earths Team Riverside California
3. Department of Geology and Geophysics Yale University New Haven Connecticut
4. Ocean and Earth Science University of Southampton Southampton UK
5. Department of Earth and Planetary Sciences University of California Riverside California
6. Institute de Physique du Globe de Paris Paris France
7. School of Geographical Sciences University of Bristol Bristol UK