1. University of Strathclyde; Department of Mathematics and Statistics; Livingstone Tower, 26 Richmond Street; Glasgow; G1 1XH; UK
2. Marine Scotland - Science, Marine Laboratory; Marine Laboratory; 375 Victoria Road; Aberdeen; AB11 9DB; UK
3. Cefas; Pakefield Road; Lowestoft; NR33 0HT; UK
4. Marine Institute; Rinville; Oranmore; Co. Galway; Ireland