1. Research Institute of PomologyChinese Academy of Agricultural Sciences (CAAS) Liaoning P. R. China
2. Laboratory of Quality and Safety Risk Assessment for Fruit (Xingcheng)Ministry of Agriculture and Rural Affairs P. R. China
3. Quality Inspection and Test Center for Fruit and Nursery Stocks (Xingcheng)Ministry of Agriculture and Rural Affairs P. R. China
4. College of HorticultureQingdao Agricultural University Qingdao P. R. China