1. Politecnico di Milano,Dip. Elettronica Informazione e Bioingegneria,Milano,Italy
2. Centre Tecnològic de Telecomunicacions de Catalunya (CTTC/CERCA),Castelldefels,Spain
3. Vertilas GmbH,Garching,Germany
4. VTT Technical Research Center of Finland,Espoo,Finland
5. NICT - National Institute of Information and Communications Technology,Tokyo,Japan
6. SM Optics,Vimercate,Italy
7. Politecnico di Milano,Dip. Elettronica, Informazione e Bioingegneria,Milano,Italy