1. Kintech Lab Ltd.
2. Moscow 123182
3. Russia
4. Nano-Bio Spectroscopy Group and ETSF Scientific Development Centre
5. Departamento de Física de Materiales
6. Universidad del País Vasco UPV/EHU
7. San Sebastian E-20018
8. Spain
9. National Research Centre “Kurchatov Institute”
10. Institute for Spectroscopy of Russian Academy of Sciences
11. Moscow 142190