1. Hebei Agricultural University Baoding China
2. Department of Botany and Plant Sciences University of California Riverside CA USA
3. National Key Laboratory of Crop Genetic Improvement and National Centre of Plant Gene Research (Wuhan) Huazhong Agricultural University Wuhan China
4. Institute of Crop Science/National Key Facility for Crop Gene Resource and Genetic Improvement Chinese Academy of Agricultural Sciences Beijing China
5. International Rice Research Institute Metro Manila Philippines
6. Anhui Agricultural University Hefei China