1. Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Horticultural Crops of the Ministry of Agriculture, Sino-Dutch Joint Laboratory of Horticultural Genomics, Beijing 100081, China
2. Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518124, China
3. College of Horticulture and Forestry, Huazhong Agricultural University and Key Laboratory of Horticultural Plant Biology, Ministry of Education, Wuhan 430070, China
4. Hunan Vegetable Research Institute, Hunan Academy of Agricultural Science, Changsha 410125, China
5. College of Life Sciences, Peking University, Beijing 100871, China
6. College of Horticulture, Northwest A&F University, Shaanxi 712100, China
7. School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
8. College of Biological Sciences, University of California, Davis, CA 95616, USA
9. College of Horticulture, Qingdao Agricultural University, Qingdao 266109, China