1. Department of Biological Sciences, Columbia University, New York, United States
2. Department of Sociology, Princeton University, Princeton, United States
3. Office of Population Research, Princeton University, Princeton, United States
4. Department of Genetics, Stanford University, Stanford, United States
5. Department of Biology, Stanford University, Stanford, United States
6. Howard Hughes Medical Institute, Stanford University, Stanford, United States
7. Department of Systems Biology, Columbia University, New York, United States