1. National Key Facility for Gene Resources and Genetic Improvement/Key Laboratory of Crop Germplasm Utilization, Ministry of Agriculture/Center of Crop Germplasm Resource, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, PR China
2. Laboratory of Crop Germplasm Resource, Institute of Crop Sciences, Gansu Academy of Agricultural Sciences, Lanzhou, Gansu, PR China
3. Laboratory of Disease Resistance Breeding, Maize Research Institute, Heilongjiang Academy of Agricultural Sciences, Haerbin, Heilongjiang, PR China
4. Department of Plant, Soil and Microbial Sciences, College of Agriculture & Natural Resources, Michigan State University, East Lansing, MI, USA