1. Department of Veterinary Resources; Weizmann Institute of Science, Rehovot; 76100 Israel
2. Jerusalem Center for Mental Health; affiliated with the Hebrew University; Jerusalem Israel
3. Jack Dodd Centre for Quantum Technology; Department of Physics, University of Otago; Dunedin 9054 New Zealand
4. Opto-Electronics and Measurement Techniques Laboratory; University of Oulu, Oulu; FI-9014 Finland
5. Interdisciplinary Laboratory of Biophotonics; Tomsk State University; Tomsk 634050 Russia