1. Center for Plant Science Innovation, University of Nebraska-Lincoln , Lincoln, NE , USA
2. Department of Biochemistry, University of Nebraska-Lincoln , Lincoln, NE , USA
3. Department of Statistics, Iowa State University , Ames, IA , USA
4. Plant Gene Expression Center, USDA-ARS , Albany, CA , USA
5. Department of Plant and Microbial Biology, University of California , Berkeley, CA , USA
6. Department of Agronomy and Horticulture, University of Nebraska-Lincoln , Lincoln, NE , USA