1. Department of Photonics, Saint Petersburg Electrotechnical University “LETI”, 197022 Saint Petersburg, Russia
2. Chair of Veterinary Biomedicine and Food Hygiene, Estonian University of Life Sciences, 51006 Tartu, Estonia
3. AS Ldiamon, 50411 Tartu, Estonia
4. Institute of Chemistry, University of Tartu, Ravila 14A, 50411 Tartu, Estonia
5. Research Institute of Fisheries and Oceanography, 105187 Moscow, Russia