1. Université de Lyon, Laboratoire Hubert Curien UMR CNRS 5516, Saint-Etienne
2. Karlsruhe Institute of Technology, Institute of Microstructure Technology Hermann-von-Helmholtz-Plat
3. University of Eastern Finland, Department of Physics and Mathematics, Joensuu
4. Exxelia Group, Eurofarad Department Capteurs et Systèmes Associés, Chanteloup-en-Brie