1. Department of Geology, Ghent University, Belgium;
2. Ifremer, LER BO, Station de Biologie Marine, Concarneau CEDEX, France;
3. Camborne School of Mines, University of Exeter, Penryn, Cornwall, UK;
4. Department of Earth and Environmental Sciences, University of Minnesota, Minneapolis, MN, USA;
5. School of Earth and Ocean Sciences, University of Victoria, Victoria, British Columbia, Canada