1. Department of Molecular and Cell Biology, University of California at Berkeley, Berkeley, California 94720
2. Novartis Agribusiness Biotechnology Research Inc., 3054 Cornwallis Road, Research Triangle Park, North Carolina 27709
3. Department of Genetics and Development, College of Physicians and Surgeons, Columbia University, New York, New York 10032-2704
4. Lynx Therapeutics, Inc., Hayward, California 94545