1. Department of Geography & Environmental Studies; Wilfrid Laurier University; Waterloo Ontario Canada
2. Centre for GeoInformatics; School of Geography & Geosciences; University of St Andrews; Victoria Scotland U.K.
3. Department of Mathematics & Statistics; University of Victoria; Victoria British Columbia Canada
4. Spatial Pattern Analysis & Research (SPAR) Laboratory; Department of Geography; University of Victoria; Victoria British Columbia Canada