[1] Cornell Univ, Dept Biol Stat & Computat Biol, Ithaca, NY 14853 USA
[2] Cornell Univ, Dept Mol Biol & Genet, Ithaca, NY 14853 USA
[3] Max Planck Inst Dev Biol, Dept Biochem, D-72076 Tubingen, Germany
[4] Univ Chicago, Dept Human Genet, Chicago, IL 60637 USA
[5] Celera Diagnost, Alameda, CA 94592 USA
[6] Brigham & Womens Hosp, Div Genet, Dept Med, Boston, MA 02115 USA
[7] Harvard Univ, Sch Med, Boston, MA 02115 USA
[8] Univ Copenhagen, Ctr Comparat Genom, Dept Biol, DK-2100 Copenhagen O, Denmark