1. Department of Physics, Lund University, Sölvegatan 14c, 22363 Lund, Sweden
2. Department of Biology, Lund University, Sölvegatan 35, 22362 Lund, Sweden
3. Department of Biology, University of Cologne, Zuelpicher Straße 47b, 50931 Cologne, Germany
4. FaunaPhotonics, Støberigade 14, 2450 Copenhagen, Denmark
5. Norsk Elektro Optikk A/S, Østensjøveien 34, 0667 Oslo, Norway
6. Biological Museum, Department of Biology, Lund University, Sölvegatan 37, 22362 Lund, Sweden