**Author details**

Sílvia Manuela Ferreira Cruz<sup>1</sup> \*, Luís A. Rocha2 and Júlio C. Viana<sup>1</sup>

\*Address all correspondence to: s.cruz@dep.uminho.pt

1 IPC/I3N – Institute of Polymers and Composites/Institute for Nanostructures, Nanomodelling and Nanofabrication, Polymer Engineering Department, Campus of Azurém, University of Minho, Portugal

2 CMEMS, University of Minho, Guimarães, Portugal
