1. Laser Research Center, Vilnius University, Saulėtekio Ave. 10, Vilnius LT-10223, Lithuania
2. Femtika, Saulėtekio Ave. 15, Vilnius LT-10224, Lithuania
3. Institute of Chemistry, Vilnius University, Naugarduko 24, 03225 Vilnius, Lithuania
4. Instrumental Analysis Open Access Centre, Vytautas Magnus University, Vileikos 8, Kaunas LT-44404, Lithuania