1. Department of Biology; Centre for Biodiversity Dynamics; Norwegian University of Science and Technology; Trondheim Norway
2. Department of Biology; Centre for Ecological and Evolutionary Synthesis; University of Oslo; Oslo Norway
3. Department of Biological Science; Florida State University; Tallahassee Florida
4. Laboratoire Evolution, Génomes, Spéciation; Centre National de la Recherche Scientifique; Gif-sur-Yvette France