1. Institute of Systems, Molecular and Integrative Biology, University of Liverpool , Liverpool L69 7BE , UK
2. Genomics England Limited , London E14 5AB , UK
3. School of Infection and Immunity, University of Glasgow , Glasgow G12 8QQ , UK
4. Imperial College London , London SW7 2BU , UK
5. University of Pennsylvania , Philadelphia, PA 19104 , USA
6. Wellcome Genome Campus , Hinxton CB10 1SA , UK
7. University of Notre Dame , Notre Dame, IN 46556 , USA
8. University of Georgia , Athens, GA 30602 , USA