1. Southeast University, Institute of Geotechnical Engineering, Transportation College, Nanjing, China.
2. Ecole des Ponts ParisTech, Navier/CERMES, 6-8 av. Blaise Pascal, Cité Descartes, Champs-sur-Marne, F-77455 Marne-la-Vallée, CEDEX 2, France.
3. Euridice Group, c/o SCK/CEN, Mol, Belgium.