[1] Natl Canc Inst, Biomed Phys Lab, P Baublio Str 3b, LT-08406 Vilnius, Lithuania
[2] Vilnius Univ, Life Sci Ctr, Sauletekio Ave 7, LT-10257 Vilnius, Lithuania
[3] Vilnius Gediminas Tech Univ, Dept Chem & Bioengn, Sauletekio Ave 11, LT-10223 Vilnius, Lithuania
[4] Natl Canc Inst, Med Phys Dept, Santariskiu Str 1, LT-08660 Vilnius, Lithuania
[5] Ctr Phys Sci & Technol, State Res Inst, Sauletekio Ave 3, LT-10257 Vilnius, Lithuania
[6] Vilnius Univ, Phys Fac, Laser Res Ctr, Biophoton Grp, Sauletekio Ave 9, LT-10222 Vilnius, Lithuania