Affiliation: | a Analytical Instrument Systems, Inc., P.O. Box 458, Flemington, NJ 08822-0458, USAb Sea Education Association, P.O. Box 6, Woods Hole, MA 02543, USAc Centro de Astrobiología INTA-CSIC, Carretera de Ajalvir Km 4, Torrejón de Ardoz, 28850 Madrid, Spaind Josephine Bay Paul Center for Comparative Molecular Biology and Evolution, Marine Biological Laboratory, 7 MBL Street, Woods Hole, MA 02543, USAe Department of Geological Sciences, Brown University, Providence, RI 02912, USA |