1. Institute of Crustal DynamicsChina Earthquake Administration Beijing China
2. Institute of Earthquake ForecastingChina Earthquake Administration Beijing China
3. Department of PhysicsUniversity of Texas at Dallas Richardson Texas USA
4. National Institute of Nuclear PhysicsUniversity of Rome –“Tor Vergata” Rome Italy
5. School of Space and EnvironmentBeihang University Beijing China
6. Lanzhou Institute of PhysicsCAST Lanzhou China