1. Max-Planck-Institut für Kohlenforschung; Kaiser-Wilhelm-Platz 1 45470 Mülheim-an-der-Ruhr Germany
2. European Bioenergy Research Institute; School of Engineering & Applied Science; Aston University; Birmingham B4 7ET UK
3. School of Science; RMIT University; 124 La Trobe St Melbourne VIC 3000 Australia
4. Department of Chemical Engineering; Imperial College London; South Kensington Campus London SW7 2AZ UK