1. Centre of Biological Engineering, University of Minho, Braga, Portugal
2. International Iberian Nanotechnology Laboratory, Braga, Portugal
3. Instituto de Engenharia de Sistemas e Computadores–Microsistemas e Nanotecnologias (INESC MN), IN–Institute of Nanoscience and Nanotechnolnology, Lisbon, Portugal
4. Faculty of Chemistry and Chemical Technology, University of Ljubljana, Ljubljana, Slovenia