1. Laboratory of Materials and Interface Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, Netherlands.
2. SoftMatter CryoTEM Unit, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, Netherlands.
3. EM Unit, Department of Pathology, University of Maastricht, Universiteitssingel 50, 6229 ER Maastricht, Netherlands.