1. Department of Chemistry; University of Glasgow; Joseph Black Building Glasgow G12 8QQ UK
2. Department of Optics; Palacký University Olomouc; 17. listopadu 12 Olomouc 77146 Czech Republic
3. Tracerco Technology Centre; Tracerco Ltd; Belasis Hall Business Park, Pavilion 10, The Moat Billingham TS23 4ED UK