1. University of British Columbia, Department of Earth, Ocean and Atmospheric Sciences, Vancouver, British Columbia, Canada..
2. Stanford University, Department of Geophysics, Stanford, California, USA..
3. Colorado School of Mines, Department of Geophysics, Golden, Colorado, USA..
4. Mira Geoscience, Vancouver, British Columbia, Canada..
5. Curvenote Inc., Canmore, Alberta, Canada..