Joseph R. Ecker is at the Howard Hughes Medical Institute and the Salk Institute for Biological Studies, La Jolla, California 92037, USA.
Wendy A. Bickmore is in the Medical Research Council Human Genetics Unit, MRC Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh EH4 2XU, UK.
Inês Barroso is at the Wellcome Trust Sanger Institute, Hinxton CB10 1SA, UK, and at the University of Cambridge Metabolic Research Laboratories and NIHR Cambridge Biomedical Research Centre, Cambridge, UK.
Jonathan K. Pritchard and Yoav Gilad are in the Department of Human Genetics, University of Chicago, Chicago 60637 Illinois, USA.
J.K.P. is also at the Howard Hughes Medical Institute, University of Chicago.
- Jonathan K. Pritchard
Eran Segal is in the Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovot 76100, Israel.