1. Centro de Física; Universidade do Minho; 4710-057 Braga Portugal
2. MEMS-Microelectromechanical Systems Research Unit; Universidade do Minho; 4800-058 Guimarães Portugal
3. CEB-Centre of Biological Engineering; University of Minho; Campus de Gualtar 4710-057 Braga Portugal
4. INL-International Iberian Nanotechnology Laboratory; 4715 Braga Portugal
5. BCMaterials; Parque Científico y Tecnológico de Bizkaia; 48160 Derio Spain
6. IKERBASQUE; Basque Foundation for Science; 48013 Bilbao Spain