1. CSIRO Molecular Science, Private Bag 10, Clayton South MDC, Victoria, Australia 3169
2. Particulate Fluids Processing Centre, Department of Chemical and Biomolecular Engineering, University of Melbourne, Victoria, Australia 3010
3. United Utilities, Lingley Mere, Lingley Green Avenue, Warrington WA5 3LP, UK
4. Yorkshire Water, Halifax Road, Bradford BD6 2LZ, UK