1. Unidad de Genómica Avanzada (LANGEBIO), Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Irapuato, Guanajuato, Mexico
2. Department of Ecology, Evolution, and Organismal Biology, Iowa State University, Ames, IA, USA
3. Department of Plant Sciences, Center for Population Biology, and Genome Center, University of California,, Davis, CA, USA