1. State Key Laboratory of Crop Genetics and Germplasm Enhancement; Key Laboratory of Biology and Germplasm Enhancement of Horticultural Crops in East China, Ministry of Agriculture; College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China.
2. Center of Genomics and Computational Biology, College of Life Sciences, North China University of Science and Technology, Tangshan 063000, China.