1. Dépt de biologie, chimie et géographie; Univ. du Québec à Rimouski; 300 Allée des Ursulines Rimouski QC G5L 3A1 Canada
2. Dept of Biology; Unit of Ecology and Evolution, Univ. of Fribourg; Chemin du Musée 10 CH-1700 Fribourg Switzerland
3. Québec Centre for Biodiversity Sciences; Montréal QC Canada
4. Univ. of Canterbury; School of Biological Sciences; Christchurch 8140 New Zealand
5. Dépt de sciences biologiques; Univ. de Montréal; Montréal QC H3C 3J7 Canada
6. Dept of Integrative Biology; Univ. of Guelph; Guelph N1G 2W1 Canada
7. Inst. of Evolutionary Biology and Environmental Studies; Univ. of Zurich; Winterthurerstrasse 190 CH-8057 Zürich Switzerland
8. Inst. des Sciences de l’évolution, CNRS-UMR 5554; Univ. Montpellier II; Place Eugène Bataillon CC065, FR-34095 Montpellier Cedex 05 France
9. Dept of Biological Science; Florida State Univ.; Tallahassee FL 32306 USA