1. Université de Lyon INSA Lyon CNRS IMP 5223 Villeurbanne Cedex 69621 France
2. INSA-Lyon, IMP Villeurbanne F-69621 France
3. CNRS, UMR 5223 Ingénierie des Matériaux Polymères Villeurbanne F-69621 France
4. Biological and Biomimetic Material Laboratory Center for Sustainable Materials (SusMat), School of Materials Science and Engineering Nanyang Technological University (NTU) 50 Nanyang Avenue Singapore 637 553 Singapore
5. School of Biological Sciences NTU 59 Nanyang Drive Singapore 636921 Singapore