Center for Systems Biology, University of Iceland, Reykjavik, Iceland.|Center for Systems Biology, University of Iceland, Reykjavik, Iceland.|Center for Systems Biology, University of Iceland, Reykjavik, Iceland.|Biomedical Center, University of Iceland, Reykjavik, Iceland.|Biomedical Center, University of Iceland, Reykjavik, Iceland.|Center for Systems Biology, University of Iceland, Reykjavik, Iceland.|Center for Systems Biology, University of Iceland, Reykjavik, Iceland.