1. NorthWest Research Associates Redmond Washington USA
2. Department of Electrical and Computer EngineeringDigiPen Institute of Technology Redmond Washington USA
3. Department of Earth and Space SciencesUniversity of Washington Seattle Washington USA
4. Department of Aerospace Engineering SciencesUniversity of Colorado Boulder Boulder Colorado USA
5. Istituto Nazionale di Geofisica e Vulcanologia L'Aquila Italy