1. Okinawa Prefectural Agricultural Research Center
2. Department of Bioscience and Textile Technology, Shinshu University
3. Department of Agriculture, Forestry and Fisheries, Yaeyama Agriculture, Forestry and Fisheries Promotion Center
4. Okinawa Prefectural Forest Resources Research Center
5. Institute of Vegetable and Floriculture Science, NARO
6. Gene Research Center, Shinshu University