1. CNRS, Inria, LORIA, Université de Lorraine, Nancy, France
2. Digital Content and Media Sciences Research Division, National Institute of Informatics, Tokyo, Japan
3. Digital Security Department, EURECOM (Campus SophiaTech), Biot, France
4. Nuance Communications, Madrid, Spain
5. School of Computing, University of Eastern Finland, Joensuu, Finland
6. Institute for Infocomm Research, A*STAR, Singapore