1. Laboratory of Neurovascular Signaling, Department of Molecular Biology, ULB Neuroscience Institute, Université libre de Bruxelles (ULB), B-6041 Gosselies, Belgium
2. Department of Developmental Genetics, Max Planck Institute for Heart and Lung Research, 61231 Bad Nauheim, Germany
3. Department of Biological Structure, University of Washington, Seattle, WA 98195, USA
4. Center for Microscopy and Molecular Imaging, Université libre de Bruxelles (ULB), B-6041 Gosselies, Belgium