1. Département de Biologie; Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval; 1030 avenue de la Médecine; Québec; Canada; G1V 0A6
2. Department of Animal and Aquacultural Sciences; Centre for Integrative Genetics (CIGENE), Norwegian University of Life Sciences; PO Box 5003; 1432; Aas; Norway
3. Division of Genetics and Physiology, Department of Biology; University of Turku; 20014; Turku; Finland
4. Norwegian Institute for Nature Research (NINA); 7485; Trondheim; Norway
5. School of Biological, Earth & Environmental Sciences, University College Cork; Cork; Ireland
6. Rivers and Lochs Institute Inverness College, University of Highlands and Islands; Longman Building Inverness; Scotland IV1 1SA; UK