1. Centre for Research in Earth and Space Science, Lassonde School of Engineering, York University, Toronto, Canada.
2. Division of Biostatistics, Dalla Lana School of Public Health, University of Toronto, Toronto, Canada.
3. Child Health Evaluative Sciences, The Hospital for Sick Children, Toronto, Canada.
4. Unidad Asociada Universidad de Valladolid-CSIC-CAB, Boecillo, Spain.
5. Department of Geography, University of Winnipeg, Winnipeg, Canada.
6. CSIRO Mineral Resources, Kensington, Australia.
7. Universities Space Research Association, Columbia, Maryland, USA.
8. NASA Goddard Space Flight Center, Greenbelt, Maryland, USA.
9. Blue Marble Space Institute of Science, Seattle, Washington, USA.
10. Centre for Planetary Science and Exploration/Department of Earth Sciences, University of Western Ontario, London, Canada.
11. European Space Agency, ESA/ESTEC (SCI-S), Noordwijk, The Netherlands.