1. Department of Materials; Imperial College London; South Kensington Campus London SW7 2AZ UK
2. Otto Schott Institute of Materials Research; Friedrich Schiller University Jena; Fraunhoferstr. 6 07743 Jena Germany
3. Johan Gadolin Process Chemistry Centre, Porthansgatan 3, Åbo Akademi; FI-20500 Åbo Finland
4. Spinode Consulting; 801 Brandywine Court Saint Augustine Florida, 32086