*
Corresponding authors
a
Faculty of Biology, University of Freiburg, Schänzlestrasse 1, 79104 Freiburg, Germany
E-mail:
wilfried.weber@biologie.uni-freiburg.de
Fax: +49 761 203 97660
Tel: +49 761 203 97654
b
Department of Biosystems Science and Engineering, ETH Zurich, Mattenstrasse 26, 4058 Basel, Switzerland
c
Department of Obstetrics, University Hospital Zurich, Schmelzbergstrasse 12, 8091 Zurich, Switzerland
d
Institute of Bioengineering, Ecole Polytechnique Fédérale de Lausanne, Station 15, Bld AI 1109, 1015 Lausanne, Switzerland
e
BIOSS – Centre for Biological Signalling Studies, University of Freiburg, Schänzlestrasse 18, 79104 Freiburg, Germany
f
ZBSA – Center for Biological Systems Analysis, University of Freiburg, Habsburgerstrasse 49, 79104 Freiburg, Germany
g
Institute for Molecular Medicine and Cell Research, Stefan-Meier-Strasse 17, 79104 Freiburg, Germany