Institute for Genetics, University of Cologne, 50674 Cologne, Max Planck Institute for Plant Breeding Research, 50829 Cologne, Gene Center, Department of Biochemistry, Ludwig-Maximilians University, 81379 Munich, Germany, Insitute for Functional Genomics, 93053 Regensburg, Germany, Department of Radiology, Center for Cancer Systems Biology, Stanford University, Stanford, CA 94305-5488, USA and ETH Zürich, Department of Biosystems Science and Engineering, Mattenstrasse 26 4058 Basel, Switzerland.|Institute for Genetics, University of Cologne, 50674 Cologne, Max Planck Institute for Plant Breeding Research, 50829 Cologne, Gene Center, Department of Biochemistry, Ludwig-Maximilians University, 81379 Munich, Germany, Insitute for Functional Genomics, 93053 Regensburg, Germany, Department of Radiology, Center for Cancer Systems Biology, Stanford University, Stanford, CA 94305-5488, USA and ETH Zürich, Department of Biosystems Science and Engineering, Mattenstrasse 26 4058 Basel, Switzerland.|Institute for Genetics, University of Cologne, 50674 Cologne, Max Planck Institute for Plant Breeding Research, 50829 Cologne, Gene Center, Department of Biochemistry, Ludwig-Maximilians University, 81379 Munich, Germany, Insitute for Functional Genomics, 93053 Regensburg, Germany, Department of Radiology, Center for Cancer Systems Biology, Stanford University, Stanford, CA 94305-5488, USA and ETH Zürich, Department of Biosystems Science and Engineering, Mattenstrasse 26 4058 Basel, Switzerland.|Institute for Genetics, University of Cologne, 50674 Cologne, Max Planck Institute for Plant Breeding Research, 50829 Cologne, Gene Center, Department of Biochemistry, Ludwig-Maximilians University, 81379 Munich, Germany, Insitute for Functional Genomics, 93053 Regensburg, Germany, Department of Radiology, Center for Cancer Systems Biology, Stanford University, Stanford, CA 94305-5488, USA and ETH Zürich, Department of Biosystems Science and Engineering, Mattenstrasse 26 4058 Basel, Switzerland.|Institute for Genetics, University of Cologne, 50674 Cologne, Max Planck Institute for Plant Breeding Research, 50829 Cologne, Gene Center, Department of Biochemistry, Ludwig-Maximilians University, 81379 Munich, Germany, Insitute for Functional Genomics, 93053 Regensburg, Germany, Department of Radiology, Center for Cancer Systems Biology, Stanford University, Stanford, CA 94305-5488, USA and ETH Zürich, Department of Biosystems Science and Engineering, Mattenstrasse 26 4058 Basel, Switzerland.|Institute for Genetics, University of Cologne, 50674 Cologne, Max Planck Institute for Plant Breeding Research, 50829 Cologne, Gene Center, Department of Biochemistry, Ludwig-Maximilians University, 81379 Munich, Germany, Insitute for Functional Genomics, 93053 Regensburg, Germany, Department of Radiology, Center for Cancer Systems Biology, Stanford University, Stanford, CA 94305-5488, USA and ETH Zürich, Department of Biosystems Science and Engineering, Mattenstrasse 26 4058 Basel, Switzerland.