1. Max Planck Institute of Molecular Cell Biology and Genetics, 01307 Dresden, Germany
2. Laboratory of Developmental Mechanobiology, Division Biocev, Institute of Molecular Genetics of the Czech Academy of Sciences, 14220 Prague, Czech Republic
3. Max Planck Institute for the Physics of Complex Systems, 01187 Dresden, Germany
4. Department of Bioengineering, University of California, Berkeley, CA 94720
5. Cluster of Excellence Physics of Life, Technical University Dresden, 01062 Dresden, Germany