Institute of Molecular Systems Biology, ETH Zurich, 8093 Zurich, Switzerland. loevenich@imsb.biol.ethz.ch|Institute of Molecular Systems Biology, ETH Zurich, 8093 Zurich, Switzerland. loevenich@imsb.biol.ethz.ch|Institute of Molecular Systems Biology, ETH Zurich, 8093 Zurich, Switzerland. loevenich@imsb.biol.ethz.ch|Institute of Molecular Systems Biology, ETH Zurich, 8093 Zurich, Switzerland. loevenich@imsb.biol.ethz.ch|Institute of Molecular Systems Biology, ETH Zurich, 8093 Zurich, Switzerland. loevenich@imsb.biol.ethz.ch|Institute of Molecular Systems Biology, ETH Zurich, 8093 Zurich, Switzerland. loevenich@imsb.biol.ethz.ch|Institute of Molecular Systems Biology, ETH Zurich, 8093 Zurich, Switzerland. loevenich@imsb.biol.ethz.ch|Institute of Molecular Systems Biology, ETH Zurich, 8093 Zurich, Switzerland. loevenich@imsb.biol.ethz.ch