1. Centre for Remote Imaging; Sensing and Processing; National University of Singapore; 10 Lower Kent Ridge Road Blk S17 level 2 Singapore 119076
2. Stichting Deltares; Rotterdamseweg 185 2629 HD Delft The Netherlands
3. International Council on Clean Transportation; 1225 I Street NW Suite 900 Washington DC 20005 USA
4. Department of Geography; University of Leicester; University Road Leicester LE1 7HR UK