1. Laboratory for Cellulose and Wood Materials, Empa, Dübendorf, Switzerland
2. Scientific Center for Light and Electron Microscopy (ScopeM), ETH Zurich, Zürich, Switzerland
3. Department of Health Science and Technolgy, ETH Zürich, Zürich, Switzerland
4. Laboratory for Cellulose and Wood Materials, Empa, St. Gallen, Switzerland