1. Department of Biological Sciences, Columbia University, New York, United States
2. Department of Systems Biology, Columbia University, New York, United States
3. Program in Medical and Population Genetics, Broad Institute of Harvard and MIT, Cambridge, United States
4. Department of Genetics, Texas Biomedical Research Institute, San Antonio, United States
5. Wellcome Trust Centre for Human Genetics, Oxford University, Oxford, United Kingdom
6. Department of Biostatistics, University of Michigan, Ann Arbor, United States
7. Department of Genetics, Harvard Medical School, Boston, United States
8. Howard Hughes Medical Institute, Harvard Medical School, Boston, United States