1. NASA Ames Research Center, MS 245-6, Moffett Field, California 94035, United States
2. Bay Area Environmental Research Institute, P.O. Box 25, Moffett Field, California 94035, United States
3. San Jose State University Research Foundation, 210 North 4th Street, San Jose, California 95112, United States
4. NASA Marshall Space Flight Center, Huntsville, Alabama 35824, United States
5. SETI Institute, 189 Bernardo Avenue, Suite 200, Mountain View, California 94043, United States