1. Dipartimento di Medicina Veterinaria, Università di Sassari, Sassari, Italy
2. Research Group Zoology: Biodiversity & Toxicology, Centre for Environmental Sciences, Hasselt University, Diepenbeek, Belgium
3. Center for Marine Studies, Universidade Federal do Paraná, Curitiba, Brazil
4. Molecular Ecology Group, Water Research Institute - CNR, Verbania, Italy
5. Department of Invertebrate Zoology, Swedish Museum of Natural History, Stockholm, Sweden
6. SNSB-Bavarian State Collection of Zoology, Munich, Germany
7. Department of Biology, Geology and Environmental Science, University of Tennessee, Chattanooga, TN, USA
8. Department of Invertebrate Zoology, National Museum of Natural History, Smithsonian Institution (USA), Washington, DC, USA
9. Bermuda Natural History Museum, Bermuda
10. Dipartimento di Scienze della Vita, Università di Modena e Reggio Emilia, Modena, Italy