1. National Energy Technology Laboratory, Pittsburgh, Pennsylvania, USA..
2. The Arctic University of Norway, Centre for Gas Hydrate, Environment, and Climate (CAGE), Tromso, Norway..
3. U.S. Geological Survey, Denver, Colorado, USA..
4. Bureau of Ocean Energy Management, Herndon, Virginia, USA..
5. Japan Oil, Gas, and Metals National Corporation, Chiba, Japan..
6. Fugro, Houston, Texas, USA..
7. University of Auckland, Auckland, New Zealand..
8. Statoil ASA, Oslo, Norway..
9. Korea Institute of Geoscience and Mineral Resources, Daejeon, South Korea..
10. Schlumberger, Houston, Texas, USA..
11. Korea National Oil Company, Ulsan, South Korea..