1. Université de Brest, CNRS, UMR 6538 Domaines Océaniques, OSU-IUEM, Institut Universitaire Européen de La Mer; 4 Place N. Copernic 29280 Plouzané France
2. Department of Geology and Geophysics; Woods Hole Oceanographic Institution; Woods Hole Massachusetts USA
3. Hatfield Marine Science Center; Oregon State University/CIMRS; Newport Oregon USA
4. NOAA, Pacific Marine Environmental Laboratory; Newport Oregon USA