1. The Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Fruit Tree Breeding Technology) Ministry of Agriculture Zhengzhou Fruit Research Institute Chinese Academy of Agricultural Sciences Zhengzhou China
2. The New Zealand Institute for Plant & Food Research Limited (PFR) Mount Albert Research Centre Auckland New Zealand
3. The New Zealand Institute for Plant & Food Research Limited (PFR) Palmerston North Research Centre Palmerston North New Zealand