1. Department of Chemical and Biochemical Engineering, Technical University of Denmark, 2800 Kgs. Lyngby, Denmark
2. Globe Institute, Section for Geobiology, University of Copenhagen, 2100 København Ø, Denmark
3. Nano-Science Center, Department of Chemistry, University of Copenhagen, 2100 København Ø, Denmark
4. ROCKWOOL International A/S, Hovedgaden 584, 2640 Hedehusene, Denmark
5. Department of Physics, Technical University of Denmark, 2800 Kgs. Lyngby, Denmark