1. Scripps Institution of Oceanography; La Jolla CA 92093-0208 U.S.A.
2. College of Marine and Environmental Sciences, ARC Centre of Excellence for Coral Reef Studies; James Cook University; Townsville Qld 4811 Australia
3. University of Aarhus; Aarhus 8000 Denmark
4. University of Copenhagen, Marine Biological Laboratory; Biological Institute; Strandpromenaden 5 DK-3000 Helsingør Denmark
5. University of Texas Marine Science Institute; Port Aransas TX 78373 U.S.A.
6. CNR-IAMC; Istituto per l'Ambiente Marino Costiero; Località Sa Mardini 09072 Torregrande Oristano Italy