1. Department of Electrical, Computer Science and Biomedical Engineering, Univeristy of Pavia, Pavia, Italy
2. Graduate School of Advance Science and Engineering, Hiroshima Univeristy, Higashi-hiroshima, Japan
3. Faculty of Science and Engineering, Jan C. Willems Center for Systems and Control, ENTEG, Univerisity of Groningen, Groningen, The Netherlands
4. Univ Lyon, Université Claude Bernard Lyon 1, CNRS, Lagepp Umr 5007, 43 boulevard du 11 novembre 1918, Villeurbanne, France