1. MINES Paris PSL University Center for Materials Forming (CEMEF) UMR CNRS 7635 CS 10207 06904 Sophia Antipolis France
2. Department of Signal Processing and Acoustics Aalto University 02150 Espoo Finland
3. NASA Glenn Research Center Materials and Structures Division 21000 Brookpark Rd Cleveland OH 44135 USA
4. Department of Aerogels and Aerogel Composites Institute of Materials Research German Aerospace Center (DLR) Linder Höhe 51147 Cologne Germany
5. Department of Mechanical Engineering The University of Texas at Dallas Richardson TX 75080 USA
6. Department of Chemistry and Material Science Aalto University 02150 Espoo Finland