1. Department of Mechanical Engineering, The University of Sheffield, S1 3JD, United Kingdom
2. Department of Chemistry, The University of Sheffield, S3 7HF, United Kingdom
3. Laboratory for Building Energy Materials and Components, Swiss Federal Laboratories for Materials Science and Technology, Empa, Überlandstrasse 129, 8600, Dübendorf, Switzerland
4. Materiacustica srl, Via Camilla Ravera 15A, 44122 Ferrara, Italy
5. University Austral of Chile, Institute of Acoustics, P.O. Box 567, Valdivia, Chile