1. Shiogama Field Station, Fisheries Stock Assessment Center Fisheries Resources Institute, Japan Fisheries Research and Education Agency Shiogama Japan
2. Yokohama Field Station, Fisheries Stock Assessment Center Fisheries Resources Institute, Japan Fisheries Research and Education Agency Yokohama Japan
3. Hachinohe Field Station, Fisheries Stock Assessment Center Fisheries Resources Institute, Japan Fisheries Research and Education Agency Hachinohe Japan
4. Atmosphere and Ocean Research Institute The University of Tokyo Kashiwa Japan