1. Department of Plant Molecular Biology, University of Lausanne, CH-1015 Lausanne, Switzerland
2. Departamento de Genética Molecular de Plantas, Centro Nacional de Biotecnología–Consejo Superior de Investigaciones Científicas, Campus Universidad Autónoma, 28049 Madrid, Spain
3. Plant Biology Laboratory, The Salk Institute for Biological Studies, La Jolla, California 92037
4. Chemical Analytical Service of the Swiss Plant Science Web, University of Neuchâtel, 2009 Neuchatel, Switzerland
5. Genomic Analysis Laboratory, The Salk Institute for Biological Studies, La Jolla, California 92037
6. Howard Hughes Medical Institute, The Salk Institute for Biological Studies, La Jolla, California 92037