1. AZTI, Txatxarramendi Ugartea z/g, 48395 Sukarrieta, Bizkaia, Spain
2. Centre for Environment, Fisheries and Aquaculture Science (Cefas), Pakefield Road, Lowestoft, Suffolk NR33 0HT, UK
3. Marine and Freshwater Research Centre, Galway-Mayo Institute of Technology (GMIT), Dublin Road, Galway H91 T8NW, Ireland
4. Marine Institute, Rinville, Oranmore, Co, Galway, Ireland
5. AZTI, Herrera Kaia, Portualdea z/g, 20110 Pasaia, Gipuzkoa, Spain