1. Institute for Extra‐cutting‐edge Science and Technology Avant‐garde Research (X‐star) Super‐cutting‐edge Grand and Advanced Research (SUGAR) Program Japan Agency for Marine‐Earth Science and Technology (JAMSTEC) Yokosuka Japan
2. Department of Subsurface Geobiological Analysis and Research (D‐SUGAR) JAMSTEC Yokosuka Japan
3. Research and Development (R&D) Center for Submarine Resources JAMSTEC Yokosuka Japan
4. Project Team for Development of New‐generation Research Protocol for Submarine Resources JAMSTEC Yokosuka Japan
5. Now at Advanced Science‐Technology Research (ASTER) Program JAMSTEC Yokosuka Japan
6. Institute for Geo‐Resources and Environment Geological Survey of Japan National Institute of Advanced Industrial Science and Technology (AIST) Tsukuba Japan
7. Institute of Space and Astronautical Science (ISAS) Japan Aerospace Exploration Agency (JAXA) Sagamihara Japan