1. Opto‐Electronic and Measurement Techniques research unit University of Oulu Oulu Finland
2. VTT Technical Research Centre of Finland Oulu Finland
3. Laboratory of Physics of Interfaces and Thin Films École Polytechnique Palaiseau France
4. Institute of Engineering Physics for Biomedicine (PhysBio), National Research Nuclear University “MEPhI” Moscow Russia
5. Interdisciplinary Laboratory of Biophotonics National Research Tomsk State University Tomsk Russia
6. Department of Histology, Cytology and Embryology Institute of Clinical Medicine N.V. Sklifosovsky, I.M. Sechenov First Moscow State Medical University Moscow Russia
7. Department of Mechanical, Biomedical and Design College of Engineering and Physical Sciences, Aston University Birmingham UK