1. INESC - Microsistemas e Nanotecnologias, Rua Alves Redol, 9, Lisbon 1000-029, Portugal
2. Instituto Superior Tecnico - Universidade de Lisboa, Lisboa, Portugal
3. International Iberian Nanotechnology Laboratory (INL), 4715-31 Braga, Portugal
4. BOGEN Electronic GmbH, Potsdamer Straße 12-13, 14163 Berlin, Germany