[1
]
Life Sciences Building, University of Bristol, 24 Tyndall Avenue, Bristol BS8 1TQ,
United Kingdom.
[2
]
School of Biological Sciences, Royal Holloway University of London, Egham TW20 0EX,
United Kingdom.
[3
]
Centre for Social Evolution, Department of Biology, University of Copenhagen, Universitetsparken
15, DK-2100 Copenhagen, Denmark.
[4
]
Centre of Excellence in Biological Interactions, Department of Biosciences, University
of Helsinki, Viikinkaari 1, P.O. Box 65, 00014 University of Helsinki, Finland.
[5
]
The Babraham Institute, Cambridge CB22 3AT, United Kingdom.
[6
]
School of Biological Sciences, Royal Holloway University of London, Egham TW20 0EX,
United Kingdom; IST Austria (Institute of Science and Technology Austria), Am Campus
1, A-3400 Klosterneuburg, Austria.
[7
]
Department of Zoology, University of Oxford, The Tinbergen Building, Parks Road, Oxford
OX1 3PS, United Kingdom.
[8
]
Centre for Genomic Regulation (CRG), The Barcelona Institute for Science and Technology,
Dr. Aiguader 88, 08003 Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona,
Spain.
[9
]
Life Sciences Building, University of Bristol, 24 Tyndall Avenue, Bristol BS8 1TQ,
United Kingdom; Current address: Centre for Biodiversity & Environment Research, Department
of Genetics, Evolution & Environment, University College London, Gower Street, London
WC1E 6BT, United Kingdom. Electronic address: s.sumner@ucl.ac.uk.