1. Department of Biological; Geological and Environmental Sciences; University of Bologna; via Selmi 3 40126 Bologna Italy
2. Department of Comparative Biomedicine and Food Science-Agripolis-Viale dell'Università 16; I-35020 Legnaro Padova Italy
3. Living Resources, Aquaculture and Management of their Traceability Division of ANFACO-CECOPESCA; Ctra. Colegio Universitario 16; 36.310 Vigo Spain
4. National Institute of Aquatic Resources; Technical University of Denmark; Vejlsøvej 39 DK-8600 Silkeborg Denmark
5. Molecular Ecology and Fisheries Genetics Laboratory; School of Biological Sciences; Bangor University; Environment Centre Wales; Bangor UK
6. National Research Council (CNR)-Institute for Coastal Marine Environment (IAMC); Via L. Vaccara 61 91026 Mazara del Vallo Trapani Italy
7. Department of Biology; University of Bergen; P.O. Box 7803, N-5020 Bergen Norway
8. Food Safety, Environment & Genetics; Matís ohf, Vínlandsleið 12; 113 Reykjavík Iceland
9. TRACE Wildlife Forensics Network; Royal Zoological Society of Scotland; Edinburgh EH12 6TS UK