1. Miyagi Prefecture Fisheries Technology Institute
2. Pathology Division, Nansei Main Station, Aquaculture Research Department, Fisheries Technology Institute, Japan Fisheries Research and Education Agency
3. Pathology Division, Tamaki Laboratory, Aquaculture Research Department, Fisheries Technology Institute, Japan Fisheries Research and Education Agency
4. Miyagi Prefecture Fisheries Technology Institute Freshwater Fisheries Experimental Station