1. National Institute of Water and Atmospheric Research; Wellington New Zealand
2. Hatfield Marine Science Center; Oregon State University/NOAA; Newport Oregon USA
3. GNS Science; Lower Hutt New Zealand
4. Laboratoire de Detection et de Geophysique; Papeete, Tahiti French Polynesia
5. Department of Geosciences; University of Bremen; Bremen Germany
6. Institute of Geosciences; University of Kiel; Kiel Germany