Author Information
- *Department of Genetics, University of Washington, Seattle, Washington 98195
- ‡Howard Hughes Medical Institute, Department of Biology, Cambridge, Massachusetts 02139
- †Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
- Corresponding author: James H. Thomas, Department of Genetics, SK-50, University of Washington, Seattle, WA 98195. E-mail: jht{at}genetics.washington.edu
