Wellcome Trust Sanger Institute, Genome Campus, Hinxton CB10 1HH, UK.|Wellcome Trust Sanger Institute, Genome Campus, Hinxton CB10 1HH, UK.|Wellcome Trust Sanger Institute, Genome Campus, Hinxton CB10 1HH, UK.|Wellcome Trust Sanger Institute, Genome Campus, Hinxton CB10 1HH, UK.|Wellcome Trust Sanger Institute, Genome Campus, Hinxton CB10 1HH, UK.|MRC Integrative Epidemiology Unit, University of Bristol, Oakfield Grove, Bristol, UK.|Wellcome Trust Sanger Institute, Genome Campus, Hinxton CB10 1HH, UK.|Wellcome Trust Sanger Institute, Genome Campus, Hinxton CB10 1HH, UK.|Wellcome Trust Sanger Institute, Genome Campus, Hinxton CB10 1HH, UK, Department of Medical and Molecular Genetics, Division of Genetics and Molecular Medicine, Kings College London School of Medicine, Guys Hospital, London SE1 9RT, UK.|MRC Integrative Epidemiology Unit, University of Bristol, Oakfield Grove, Bristol, UK.|EMBL-EBI, Hinxton CB10 1SD, UK and.|Wellcome Trust Sanger Institute, Genome Campus, Hinxton CB10 1HH, UK, Department of Haematology, University of Cambridge, Cambridge CB2 1TN, UK.