1. College of Horticulture; Nanjing Agricultural University; Nanjing China
2. State Key Lab for Crop Genetics and Germplasm Enhancement; Nanjing Agricultural University; Nanjing China
3. College of Life Sciences; Nanjing Agricultural University; Nanjing China
4. Department of Food Science; Aarhus University; Aarhus Denmark
5. Vegetable Research Institute; Jiangsu Academy of Agricultural Science; Jiangsu, Nanjing China
6. Danish Technological Institute; Gregersensvej Taastrup 2630 Denmark
7. Horticulture and Product Physiology Group; Wageningen University; Wageningen The Netherlands
8. Department of Plant and Environmental Sciences; University of Copenhagen; Copenhagen Denmark