1. Section for Genetics and Evolutionary Biology (EVOGENE) Department of Biosciences University of Oslo Kristine Bonnevies Hus, Blindernveien 31 0316 Oslo Norway
2. Department of Animal and Aquacultural Sciences Faculty of Biosciences Centre for Integrative Genetics Norwegian University of Life Sciences Ås Norway
3. Department of Virology Norwegian Institute of Public Health Oslo Norway
4. Centre for Integrative Microbial Evolution (CIME) Centre for Epigenetics, Development and Evolution (CEDE) Centre for Ecological and Evolutionary Synthesis (CEES) Department of Biosciences University of Oslo Kristine Bonnevies Hus, Blindernveien 31 0316 Oslo Norway