1. Spiber Technologies AB Stockholm 114 28 Sweden
2. Institute of Protein Science School of Engineering Sciences in Chemistry Biotechnology and Health KTH Royal Institute of Technology School of Biotechnology Stockholm SE‐100 44 Sweden
3. Department of Biochemistry and Biophysics Stockholm University Stockholm 106 91 Sweden
4. Linné FLOW Centre KTH Mechanics KTH Royal Institute of Technology Stockholm SE‐100 44 Sweden
5. Wallenberg Wood Science Center KTH Royal Institute of Technology Stockholm SE‐100 44 Sweden