1. Institute of Marine Biology; Biotechnology and Aquaculture (IMBBC); Hellenic Centre for Marine Research (HCMR); PO Box 2214 715 00 Heraklion Crete Greece
2. Department of Molecular Biology and Genetics; Democritus University of Thrace; Alexandroupolis Greece
3. Institute of Marine Biological Resources and Inland Waters; Hellenic Centre for Marine Research (HCMR); 46,7 km Athens-Sounio, Mavro Lithari 190 13 Anavissos Attiki Greece
4. Zoological Society of London; Regent's Park London NW1 4RY UK
5. Department of Biology and Natural History Museum of Crete; University of Crete; Knossos Av., PO Box 2208 714 09 Heraklion Crete Greece