1. Division of Maintenance and Safety of Structures (MCS-ENAC), Ecole Polytechnique Fédérale de Lausanne (EPFL), GC B3 435, Station 18, CH-1015 Lausanne, Switzerland
2. CEREMA – DtecEmf/DT/TSMF/PIE, Technopôle Brest Iroise B.P. 5, 155, Rue Pierre Bouguer, 29280 Plouzané, France